45088439 has 4 divisors (see below), whose sum is σ = 49187400. Its totient is φ = 40989480.

The previous prime is 45088427. The next prime is 45088451. The reversal of 45088439 is 93488054.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45088427) and next prime (45088451).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45088439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45088396 and 45088405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45088739) 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, 2049464 + ... + 2049485.

It is an arithmetic number, because the mean of its divisors is an integer number (12296850).

Almost surely, 2^45088439 is an apocalyptic number.

45088439 is a deficient number, since it is larger than the sum of its proper divisors (4098961).

45088439 is a wasteful number, since it uses less digits than its factorization.

45088439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098960.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 45088439 is about 6714.7925507792. The cubic root of 45088439 is about 355.9221913653.

The spelling of 45088439 in words is "forty-five million, eighty-eight thousand, four hundred thirty-nine".