45123992748 has 18 divisors (see below), whose sum is σ = 114063426204. Its totient is φ = 15041330904.

The previous prime is 45123992731. The next prime is 45123992773. The reversal of 45123992748 is 84729932154.

45123992748 is a `hidden beast` number, since 4 + 512 + 39 + 92 + 7 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 45123992694 and 45123992703.

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 5 ways as a sum of consecutive naturals, for example, 626722086 + ... + 626722157.

Almost surely, 2^45123992748 is an apocalyptic number.

It is an amenable number.

45123992748 is an abundant number, since it is smaller than the sum of its proper divisors (68939433456).

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

45123992748 is a wasteful number, since it uses less digits than its factorization.

45123992748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253444253 (or 1253444248 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 45123992748 in words is "forty-five billion, one hundred twenty-three million, nine hundred ninety-two thousand, seven hundred forty-eight".