45158446 has 8 divisors (see below), whose sum is σ = 69179040. Its totient is φ = 22098768.

The previous prime is 45158441. The next prime is 45158521. The reversal of 45158446 is 64485154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45158441) 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, 240111 + ... + 240298.

It is an arithmetic number, because the mean of its divisors is an integer number (8647380).

Almost surely, 2^45158446 is an apocalyptic number.

45158446 is a deficient number, since it is larger than the sum of its proper divisors (24020594).

45158446 is a wasteful number, since it uses less digits than its factorization.

45158446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480458.

The product of its digits is 76800, while the sum is 37.

The square root of 45158446 is about 6720.0034226182. The cubic root of 45158446 is about 356.1063047849.

The spelling of 45158446 in words is "forty-five million, one hundred fifty-eight thousand, four hundred forty-six".