45289178 has 8 divisors (see below), whose sum is σ = 74109600. Its totient is φ = 20585980.

The previous prime is 45289177. The next prime is 45289201. The reversal of 45289178 is 87198254.

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

It is a super-2 number, since 2×45289178² = 4102219287831368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45289177) 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, 1029278 + ... + 1029321.

It is an arithmetic number, because the mean of its divisors is an integer number (9263700).

Almost surely, 2^45289178 is an apocalyptic number.

45289178 is a deficient number, since it is larger than the sum of its proper divisors (28820422).

45289178 is a wasteful number, since it uses less digits than its factorization.

45289178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058612.

The product of its digits is 161280, while the sum is 44.

The square root of 45289178 is about 6729.7234712877. The cubic root of 45289178 is about 356.4496118232.

The spelling of 45289178 in words is "forty-five million, two hundred eighty-nine thousand, one hundred seventy-eight".