45712238 has 16 divisors (see below), whose sum is σ = 80556336. Its totient is φ = 19179840.

The previous prime is 45712231. The next prime is 45712301. The reversal of 45712238 is 83221754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45712231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79631 + ... + 80202.

It is an arithmetic number, because the mean of its divisors is an integer number (5034771).

Almost surely, 2^45712238 is an apocalyptic number.

45712238 is a deficient number, since it is larger than the sum of its proper divisors (34844098).

45712238 is a wasteful number, since it uses less digits than its factorization.

45712238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159859.

The product of its digits is 13440, while the sum is 32.

The square root of 45712238 is about 6761.0826056187. The cubic root of 45712238 is about 357.5560751200.

The spelling of 45712238 in words is "forty-five million, seven hundred twelve thousand, two hundred thirty-eight".