45505123232 has 24 divisors (see below), whose sum is σ = 90181520352. Its totient is φ = 22601880000.

The previous prime is 45505123211. The next prime is 45505123241. The reversal of 45505123232 is 23232150554.

It is a super-2 number, since 2×45505123232² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703894 + ... + 4713557.

It is an arithmetic number, because the mean of its divisors is an integer number (3757563348).

Almost surely, 2^45505123232 is an apocalyptic number.

It is an amenable number.

45505123232 is a deficient number, since it is larger than the sum of its proper divisors (44676397120).

45505123232 is a wasteful number, since it uses less digits than its factorization.

45505123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417612 (or 9417604 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 45505123232 its reverse (23232150554), we get a palindrome (68737273786).

The spelling of 45505123232 in words is "forty-five billion, five hundred five million, one hundred twenty-three thousand, two hundred thirty-two".