45020532 has 48 divisors (see below), whose sum is σ = 108646272. Its totient is φ = 14501760.

The previous prime is 45020509. The next prime is 45020543. The reversal of 45020532 is 23502054.

It is a junction number, because it is equal to n+sod(n) for n = 45020499 and 45020508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44658 + ... + 45654.

It is an arithmetic number, because the mean of its divisors is an integer number (2263464).

Almost surely, 2^45020532 is an apocalyptic number.

It is an amenable number.

45020532 is an abundant number, since it is smaller than the sum of its proper divisors (63625740).

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

45020532 is a wasteful number, since it uses less digits than its factorization.

45020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45020532 is about 6709.7341228994. The cubic root of 45020532 is about 355.7434186187.

Adding to 45020532 its reverse (23502054), we get a palindrome (68522586).

The spelling of 45020532 in words is "forty-five million, twenty thousand, five hundred thirty-two".