45870038 has 4 divisors (see below), whose sum is σ = 68805060. Its totient is φ = 22935018.

The previous prime is 45870031. The next prime is 45870053. The reversal of 45870038 is 83007854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83007854 = 2 ⋅41503927.

It is a super-2 number, since 2×45870038² = 4208120772242888, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 11467508 + ... + 11467511.

It is an arithmetic number, because the mean of its divisors is an integer number (17201265).

Almost surely, 2^45870038 is an apocalyptic number.

45870038 is a deficient number, since it is larger than the sum of its proper divisors (22935022).

45870038 is a wasteful number, since it uses less digits than its factorization.

45870038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22935021.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 45870038 is about 6772.7422806423. The cubic root of 45870038 is about 357.9670339899.

The spelling of 45870038 in words is "forty-five million, eight hundred seventy thousand, thirty-eight".