45331385 has 16 divisors (see below), whose sum is σ = 60099840. Its totient is φ = 32547840.

The previous prime is 45331381. The next prime is 45331387. The reversal of 45331385 is 58313354.

45331385 = 122² + 123² + ... + 516².

It is not a de Polignac number, because 45331385 - 2² = 45331381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45331381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (3756240).

Almost surely, 2^45331385 is an apocalyptic number.

It is an amenable number.

45331385 is a deficient number, since it is larger than the sum of its proper divisors (14768455).

45331385 is a wasteful number, since it uses less digits than its factorization.

45331385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528.

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

The square root of 45331385 is about 6732.8586053771. The cubic root of 45331385 is about 356.5603078603.

The spelling of 45331385 in words is "forty-five million, three hundred thirty-one thousand, three hundred eighty-five".