45323712 has 140 divisors (see below), whose sum is σ = 153670000. Its totient is φ = 12939264.

The previous prime is 45323701. The next prime is 45323713. The reversal of 45323712 is 21732354.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45323713) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35664 + ... + 36912.

Almost surely, 2^45323712 is an apocalyptic number.

45323712 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45323712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76835000).

45323712 is an abundant number, since it is smaller than the sum of its proper divisors (108346288).

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

45323712 is a wasteful number, since it uses less digits than its factorization.

45323712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1261 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 45323712 is about 6732.2887638603. The cubic root of 45323712 is about 356.5401890425.

The spelling of 45323712 in words is "forty-five million, three hundred twenty-three thousand, seven hundred twelve".