45947512 has 32 divisors (see below), whose sum is σ = 93668400. Its totient is φ = 21003264.

The previous prime is 45947509. The next prime is 45947647. The reversal of 45947512 is 21574954.

It is a super-2 number, since 2×45947512² = 4222347717980288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9064 + ... + 13192.

Almost surely, 2^45947512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45947512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46834200).

45947512 is an abundant number, since it is smaller than the sum of its proper divisors (47720888).

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

45947512 is a wasteful number, since it uses less digits than its factorization.

45947512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4251 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 45947512 is about 6778.4594119903. The cubic root of 45947512 is about 358.1684547879.

The spelling of 45947512 in words is "forty-five million, nine hundred forty-seven thousand, five hundred twelve".