45740238 has 16 divisors (see below), whose sum is σ = 95458176. Its totient is φ = 14583800.

The previous prime is 45740213. The next prime is 45740243. The reversal of 45740238 is 83204754.

It is a junction number, because it is equal to n+sod(n) for n = 45740199 and 45740208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165588 + ... + 165863.

It is an arithmetic number, because the mean of its divisors is an integer number (5966136).

Almost surely, 2^45740238 is an apocalyptic number.

45740238 is an abundant number, since it is smaller than the sum of its proper divisors (49717938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45740238 is a wasteful number, since it uses less digits than its factorization.

45740238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331479.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 45740238 is about 6763.1529629308. The cubic root of 45740238 is about 357.6290645215.

The spelling of 45740238 in words is "forty-five million, seven hundred forty thousand, two hundred thirty-eight".