45870032 has 20 divisors (see below), whose sum is σ = 95710020. Its totient is φ = 21170688.

The previous prime is 45870031. The next prime is 45870053. The reversal of 45870032 is 23007854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5216656 + 40653376 = 2284^2 + 6376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45869977 and 45870004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45870031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110057 + ... + 110472.

It is an arithmetic number, because the mean of its divisors is an integer number (4785501).

Almost surely, 2^45870032 is an apocalyptic number.

It is an amenable number.

45870032 is an abundant number, since it is smaller than the sum of its proper divisors (49839988).

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

45870032 is a wasteful number, since it uses less digits than its factorization.

45870032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220550 (or 220544 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 45870032 is about 6772.7418376903. The cubic root of 45870032 is about 357.9670183821.

Adding to 45870032 its reverse (23007854), we get a palindrome (68877886).

The spelling of 45870032 in words is "forty-five million, eight hundred seventy thousand, thirty-two".