45258631 has 4 divisors (see below), whose sum is σ = 49373064. Its totient is φ = 41144200.

The previous prime is 45258617. The next prime is 45258649. The reversal of 45258631 is 13685254.

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

It is a cyclic number.

It is not a de Polignac number, because 45258631 - 2¹⁹ = 44734343 is a prime.

It is a super-2 number, since 2×45258631² = 4096687359988322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45258611) 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, 2057200 + ... + 2057221.

It is an arithmetic number, because the mean of its divisors is an integer number (12343266).

Almost surely, 2^45258631 is an apocalyptic number.

45258631 is a deficient number, since it is larger than the sum of its proper divisors (4114433).

45258631 is a wasteful number, since it uses less digits than its factorization.

45258631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114432.

The product of its digits is 28800, while the sum is 34.

The square root of 45258631 is about 6727.4535301256. The cubic root of 45258631 is about 356.3694534885.

The spelling of 45258631 in words is "forty-five million, two hundred fifty-eight thousand, six hundred thirty-one".