38615045 has 16 divisors (see below), whose sum is σ = 55261440. Its totient is φ = 25327104.

The previous prime is 38615039. The next prime is 38615047. The reversal of 38615045 is 54051683.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38615045 - 2¹⁴ = 38598661 is a prime.

It is a super-2 number, since 2×38615045² = 2982243400704050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38615047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23180 + ... + 24789.

It is an arithmetic number, because the mean of its divisors is an integer number (3453840).

Almost surely, 2^38615045 is an apocalyptic number.

38615045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38615045 is a deficient number, since it is larger than the sum of its proper divisors (16646395).

38615045 is a wasteful number, since it uses less digits than its factorization.

38615045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48004.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 38615045 is about 6214.1004980608. The cubic root of 38615045 is about 338.0016718520.

The spelling of 38615045 in words is "thirty-eight million, six hundred fifteen thousand, forty-five".