45531338 has 8 divisors (see below), whose sum is σ = 72314532. Its totient is φ = 21426496.

The previous prime is 45531337. The next prime is 45531359. The reversal of 45531338 is 83313554.

It can be written as a sum of positive squares in 2 ways, for example, as 41049649 + 4481689 = 6407^2 + 2117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45531337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669545 + ... + 669612.

Almost surely, 2^45531338 is an apocalyptic number.

45531338 is a deficient number, since it is larger than the sum of its proper divisors (26783194).

45531338 is a wasteful number, since it uses less digits than its factorization.

45531338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339176.

The product of its digits is 21600, while the sum is 32.

The square root of 45531338 is about 6747.6913088848. The cubic root of 45531338 is about 357.0837916340.

The spelling of 45531338 in words is "forty-five million, five hundred thirty-one thousand, three hundred thirty-eight".