45189146 has 8 divisors (see below), whose sum is σ = 67831680. Its totient is φ = 22578588.

The previous prime is 45189143. The next prime is 45189149. The reversal of 45189146 is 64198154.

It is an interprime number because it is at equal distance from previous prime (45189143) and next prime (45189149).

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

It is not an unprimeable number, because it can be changed into a prime (45189143) 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, 4076 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (8478960).

Almost surely, 2^45189146 is an apocalyptic number.

45189146 is a deficient number, since it is larger than the sum of its proper divisors (22642534).

45189146 is a wasteful number, since it uses less digits than its factorization.

45189146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15988.

The product of its digits is 34560, while the sum is 38.

The square root of 45189146 is about 6722.2872595568. The cubic root of 45189146 is about 356.1869835804.

The spelling of 45189146 in words is "forty-five million, one hundred eighty-nine thousand, one hundred forty-six".