45615439 has 8 divisors (see below), whose sum is σ = 46198880. Its totient is φ = 45036000.

The previous prime is 45615431. The next prime is 45615461. The reversal of 45615439 is 93451654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45615439 - 2³ = 45615431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45615398 and 45615407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45615431) 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, 26497 + ... + 28165.

It is an arithmetic number, because the mean of its divisors is an integer number (5774860).

Almost surely, 2^45615439 is an apocalyptic number.

45615439 is a deficient number, since it is larger than the sum of its proper divisors (583441).

45615439 is a wasteful number, since it uses less digits than its factorization.

45615439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001.

The product of its digits is 64800, while the sum is 37.

The square root of 45615439 is about 6753.9202689993. The cubic root of 45615439 is about 357.3035130688.

It can be divided in two parts, 4561 and 5439, that added together give a 4-th power (10000 = 10⁴).

The spelling of 45615439 in words is "forty-five million, six hundred fifteen thousand, four hundred thirty-nine".