45315402 has 32 divisors (see below), whose sum is σ = 99546624. Its totient is φ = 13638000.

The previous prime is 45315377. The next prime is 45315409. The reversal of 45315402 is 20451354.

It is not an unprimeable number, because it can be changed into a prime (45315409) 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, 7693 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (3110832).

Almost surely, 2^45315402 is an apocalyptic number.

45315402 is an abundant number, since it is smaller than the sum of its proper divisors (54231222).

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

45315402 is a wasteful number, since it uses less digits than its factorization.

45315402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45315402 is about 6731.6715606155. The cubic root of 45315402 is about 356.5183974318.

Adding to 45315402 its reverse (20451354), we get a palindrome (65766756).

The spelling of 45315402 in words is "forty-five million, three hundred fifteen thousand, four hundred two".