45072938 has 4 divisors (see below), whose sum is σ = 67609410. Its totient is φ = 22536468.

The previous prime is 45072913. The next prime is 45072941. The reversal of 45072938 is 83927054.

45072938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 1605289 = 6593^2 + 1267^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268233 + ... + 11268236.

Almost surely, 2^45072938 is an apocalyptic number.

45072938 is a deficient number, since it is larger than the sum of its proper divisors (22536472).

45072938 is a wasteful number, since it uses less digits than its factorization.

45072938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22536471.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 45072938 is about 6713.6382088999. The cubic root of 45072938 is about 355.8813990736.

The spelling of 45072938 in words is "forty-five million, seventy-two thousand, nine hundred thirty-eight".