45149865 has 8 divisors (see below), whose sum is σ = 72239808. Its totient is φ = 24079920.

The previous prime is 45149861. The next prime is 45149873. The reversal of 45149865 is 56894154.

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

It is not a de Polignac number, because 45149865 - 2² = 45149861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45149861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504981 + ... + 1505010.

It is an arithmetic number, because the mean of its divisors is an integer number (9029976).

Almost surely, 2^45149865 is an apocalyptic number.

It is an amenable number.

45149865 is a deficient number, since it is larger than the sum of its proper divisors (27089943).

45149865 is a wasteful number, since it uses less digits than its factorization.

45149865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009999.

The product of its digits is 172800, while the sum is 42.

The square root of 45149865 is about 6719.3649253482. The cubic root of 45149865 is about 356.0837476035.

The spelling of 45149865 in words is "forty-five million, one hundred forty-nine thousand, eight hundred sixty-five".