45152532 has 24 divisors (see below), whose sum is σ = 117062400. Its totient is φ = 15050808.

The previous prime is 45152509. The next prime is 45152533. The reversal of 45152532 is 23525154.

It is a happy number.

It is a super-2 number, since 2×45152532² = 4077502292022048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45152496 and 45152505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45152533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208932 + ... + 209147.

It is an arithmetic number, because the mean of its divisors is an integer number (4877600).

Almost surely, 2^45152532 is an apocalyptic number.

It is an amenable number.

45152532 is an abundant number, since it is smaller than the sum of its proper divisors (71909868).

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

45152532 is a wasteful number, since it uses less digits than its factorization.

45152532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418092 (or 418084 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45152532 is about 6719.5633786728. The cubic root of 45152532 is about 356.0907587478.

Adding to 45152532 its reverse (23525154), we get a palindrome (68677686).

The spelling of 45152532 in words is "forty-five million, one hundred fifty-two thousand, five hundred thirty-two".