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1145310452 = 22111310718713
BaseRepresentation
bin100010001000100…
…0000110011110100
32221211002210120122
41010101000303310
54321144413302
6305351551112
740244656346
oct10421006364
92854083518
101145310452
11538552770
1227b68b498
131533866c0
14ac175296
156a8363a2
hex44440cf4

1145310452 has 48 divisors (see below), whose sum is σ = 2376827712. Its totient is φ = 476033280.

The previous prime is 1145310437. The next prime is 1145310487. The reversal of 1145310452 is 2540135411.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51848 + ... + 70560.

It is an arithmetic number, because the mean of its divisors is an integer number (49517244).

Almost surely, 21145310452 is an apocalyptic number.

It is an amenable number.

1145310452 is an abundant number, since it is smaller than the sum of its proper divisors (1231517260).

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

1145310452 is a wasteful number, since it uses less digits than its factorization.

1145310452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848 (or 18846 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1145310452 is about 33842.4356688463. The cubic root of 1145310452 is about 1046.2634998189.

Adding to 1145310452 its reverse (2540135411), we get a palindrome (3685445863).

The spelling of 1145310452 in words is "one billion, one hundred forty-five million, three hundred ten thousand, four hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 107 143 214 286 428 572 1177 1391 2354 2782 4708 5564 15301 18713 30602 37426 61204 74852 205843 243269 411686 486538 823372 973076 2002291 2675959 4004582 5351918 8009164 10703836 22025201 26029783 44050402 52059566 88100804 104119132 286327613 572655226 1145310452