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1445132314452 = 2231091915784509
BaseRepresentation
bin10101000001111000100…
…110010010011101010100
312010011010202101220211210
4111001320212102131110
5142134112333030302
63023515024501420
7206256503665521
oct25017046223524
95104122356753
101445132314452
11507971576122
121b40aba7a870
13a6377064098
144dd3267c148
15278d04d766c
hex15078992754

1445132314452 has 48 divisors (see below), whose sum is σ = 3420727833600. Its totient is φ = 474792416640.

The previous prime is 1445132314391. The next prime is 1445132314459. The reversal of 1445132314452 is 2544132315441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445132314452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445132314459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2642427 + ... + 3142082.

It is an arithmetic number, because the mean of its divisors is an integer number (71265163200).

Almost surely, 21445132314452 is an apocalyptic number.

1445132314452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445132314452 is an abundant number, since it is smaller than the sum of its proper divisors (1975595519148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445132314452 is a wasteful number, since it uses less digits than its factorization.

1445132314452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784816 (or 5784814 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

Adding to 1445132314452 its reverse (2544132315441), we get a palindrome (3989264629893).

The spelling of 1445132314452 in words is "one trillion, four hundred forty-five billion, one hundred thirty-two million, three hundred fourteen thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 109 191 218 327 382 436 573 654 764 1146 1308 2292 20819 41638 62457 83276 124914 249828 5784509 11569018 17353527 23138036 34707054 69414108 630511481 1104841219 1261022962 1891534443 2209682438 2522045924 3314523657 3783068886 4419364876 6629047314 7566137772 13258094628 120427692871 240855385742 361283078613 481710771484 722566157226 1445132314452