45312162 has 48 divisors (see below), whose sum is σ = 110020032. Its totient is φ = 12381600.

The previous prime is 45312149. The next prime is 45312187. The reversal of 45312162 is 26121354.

It is a super-2 number, since 2×45312162² = 4106384050228488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3412 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (2292084).

Almost surely, 2^45312162 is an apocalyptic number.

45312162 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45312162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55010016).

45312162 is an abundant number, since it is smaller than the sum of its proper divisors (64707870).

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

45312162 is a wasteful number, since it uses less digits than its factorization.

45312162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743 (or 6736 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 45312162 is about 6731.4309028616. The cubic root of 45312162 is about 356.5099003419.

The spelling of 45312162 in words is "forty-five million, three hundred twelve thousand, one hundred sixty-two".