45791139 has 8 divisors (see below), whose sum is σ = 62089920. Its totient is φ = 30009896.

The previous prime is 45791131. The next prime is 45791153. The reversal of 45791139 is 93119754.

It is a happy number.

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 45791139 - 2³ = 45791131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45791097 and 45791106.

It is not an unprimeable number, because it can be changed into a prime (45791131) 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, 129177 + ... + 129530.

It is an arithmetic number, because the mean of its divisors is an integer number (7761240).

Almost surely, 2^45791139 is an apocalyptic number.

45791139 is a deficient number, since it is larger than the sum of its proper divisors (16298781).

45791139 is a wasteful number, since it uses less digits than its factorization.

45791139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258769.

The product of its digits is 34020, while the sum is 39.

The square root of 45791139 is about 6766.9150282828. The cubic root of 45791139 is about 357.7616751758.

The spelling of 45791139 in words is "forty-five million, seven hundred ninety-one thousand, one hundred thirty-nine".