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1445343132 = 223313885331
BaseRepresentation
bin101011000100110…
…0010111110011100
310201201200001001010
41112021202332130
510430001440012
6355230415220
750550133242
oct12611427634
93651601033
101445343132
11681949762
12344061510
131a059632c
14d9d56792
1586d4ec3c
hex56262f9c

1445343132 has 24 divisors (see below), whose sum is σ = 3481257472. Its totient is φ = 466239600.

The previous prime is 1445343131. The next prime is 1445343139. The reversal of 1445343132 is 2313435441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445343132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445343131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942294 + ... + 1943037.

Almost surely, 21445343132 is an apocalyptic number.

1445343132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445343132 is an abundant number, since it is smaller than the sum of its proper divisors (2035914340).

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

1445343132 is a wasteful number, since it uses less digits than its factorization.

1445343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885369 (or 3885367 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 1445343132 is about 38017.6686818116. The cubic root of 1445343132 is about 1130.6381995452.

Adding to 1445343132 its reverse (2313435441), we get a palindrome (3758778573).

The spelling of 1445343132 in words is "one billion, four hundred forty-five million, three hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 3885331 7770662 11655993 15541324 23311986 46623972 120445261 240890522 361335783 481781044 722671566 1445343132