45772388 has 12 divisors (see below), whose sum is σ = 80505600. Its totient is φ = 22770792.

The previous prime is 45772379. The next prime is 45772409. The reversal of 45772388 is 88327754.

It is a happy number.

It is a super-2 number, since 2×45772388² = 4190223006445088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27956 + ... + 29547.

It is an arithmetic number, because the mean of its divisors is an integer number (6708800).

Almost surely, 2^45772388 is an apocalyptic number.

It is an amenable number.

45772388 is a deficient number, since it is larger than the sum of its proper divisors (34733212).

45772388 is a wasteful number, since it uses less digits than its factorization.

45772388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57706 (or 57704 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 45772388 is about 6765.5293953984. The cubic root of 45772388 is about 357.7128352678.

The spelling of 45772388 in words is "forty-five million, seven hundred seventy-two thousand, three hundred eighty-eight".