45123632154 has 24 divisors (see below), whose sum is σ = 100152453492. Its totient is φ = 14674351680.

The previous prime is 45123632129. The next prime is 45123632233.

45123632154 is a `hidden beast` number, since 4 + 5 + 1 + 2 + 3 + 632 + 15 + 4 = 666.

45123632154 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 33534033129 + 11589599025 = 183123^2 + 107655^2 .

It is a super-2 number, since 2×45123632154² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30570829 + ... + 30572304.

Almost surely, 2^45123632154 is an apocalyptic number.

45123632154 is an abundant number, since it is smaller than the sum of its proper divisors (55028821338).

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

45123632154 is a wasteful number, since it uses less digits than its factorization.

45123632154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61143182 (or 61143179 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 45123632154 in words is "forty-five billion, one hundred twenty-three million, six hundred thirty-two thousand, one hundred fifty-four".