45232739 has 4 divisors (see below), whose sum is σ = 45392856. Its totient is φ = 45072624.

The previous prime is 45232729. The next prime is 45232741. The reversal of 45232739 is 93723254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93723254 = 2 ⋅46861627.

It is a cyclic number.

It is not a de Polignac number, because 45232739 - 2²⁰ = 44184163 is a prime.

It is a super-5 number, since 5×45232739⁵ (a number of 39 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45232699 and 45232708.

It is not an unprimeable number, because it can be changed into a prime (45232729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79634 + ... + 80199.

It is an arithmetic number, because the mean of its divisors is an integer number (11348214).

Almost surely, 2^45232739 is an apocalyptic number.

45232739 is a deficient number, since it is larger than the sum of its proper divisors (160117).

45232739 is a wasteful number, since it uses less digits than its factorization.

45232739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160116.

The product of its digits is 45360, while the sum is 35.

The square root of 45232739 is about 6725.5289011348. The cubic root of 45232739 is about 356.3014820849.

The spelling of 45232739 in words is "forty-five million, two hundred thirty-two thousand, seven hundred thirty-nine".