45639093 has 16 divisors (see below), whose sum is σ = 62873280. Its totient is φ = 29425536.

The previous prime is 45639091. The next prime is 45639103. The reversal of 45639093 is 39093654.

It is not a de Polignac number, because 45639093 - 2¹ = 45639091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45639091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18721 + ... + 21017.

It is an arithmetic number, because the mean of its divisors is an integer number (3929580).

Almost surely, 2^45639093 is an apocalyptic number.

It is an amenable number.

45639093 is a deficient number, since it is larger than the sum of its proper divisors (17234187).

45639093 is a wasteful number, since it uses less digits than its factorization.

45639093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 45639093 is about 6755.6711731700. The cubic root of 45639093 is about 357.3652626068.

The spelling of 45639093 in words is "forty-five million, six hundred thirty-nine thousand, ninety-three".