23552531145 has 96 divisors (see below), whose sum is σ = 48163699584. Its totient is φ = 10496563200.

The previous prime is 23552531143. The next prime is 23552531147. The reversal of 23552531145 is 54113525532.

23552531145 is a `hidden beast` number, since 2 + 3 + 552 + 53 + 11 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (23552531143) and next prime (23552531147).

It is not a de Polignac number, because 23552531145 - 2¹ = 23552531143 is a prime.

It is a super-2 number, since 2×23552531145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23552531141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1543242 + ... + 1558428.

It is an arithmetic number, because the mean of its divisors is an integer number (501705204).

Almost surely, 2^23552531145 is an apocalyptic number.

It is an amenable number.

23552531145 is an abundant number, since it is smaller than the sum of its proper divisors (24611168439).

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

23552531145 is a wasteful number, since it uses less digits than its factorization.

23552531145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15463 (or 15460 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 23552531145 in words is "twenty-three billion, five hundred fifty-two million, five hundred thirty-one thousand, one hundred forty-five".