45323739 has 8 divisors (see below), whose sum is σ = 67146320. Its totient is φ = 30215808.

The previous prime is 45323713. The next prime is 45323753. The reversal of 45323739 is 93732354.

It is not a de Polignac number, because 45323739 - 2⁷ = 45323611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45323539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839302 + ... + 839355.

It is an arithmetic number, because the mean of its divisors is an integer number (8393290).

Almost surely, 2^45323739 is an apocalyptic number.

45323739 is a deficient number, since it is larger than the sum of its proper divisors (21822581).

45323739 is a wasteful number, since it uses less digits than its factorization.

45323739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678666 (or 1678660 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 45323739 is about 6732.2907691216. The cubic root of 45323739 is about 356.5402598413.

The spelling of 45323739 in words is "forty-five million, three hundred twenty-three thousand, seven hundred thirty-nine".