45558137 has 4 divisors (see below), whose sum is σ = 46789476. Its totient is φ = 44326800.

The previous prime is 45558077. The next prime is 45558167. The reversal of 45558137 is 73185554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16192576 + 29365561 = 4024^2 + 5419^2 .

It is a cyclic number.

It is not a de Polignac number, because 45558137 - 2²⁰ = 44509561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45558137.

It is not an unprimeable number, because it can be changed into a prime (45558167) 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, 615614 + ... + 615687.

It is an arithmetic number, because the mean of its divisors is an integer number (11697369).

Almost surely, 2^45558137 is an apocalyptic number.

It is an amenable number.

45558137 is a deficient number, since it is larger than the sum of its proper divisors (1231339).

45558137 is a wasteful number, since it uses less digits than its factorization.

45558137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231338.

The product of its digits is 84000, while the sum is 38.

The square root of 45558137 is about 6749.6768070775. The cubic root of 45558137 is about 357.1538357844.

The spelling of 45558137 in words is "forty-five million, five hundred fifty-eight thousand, one hundred thirty-seven".