45168945 has 8 divisors (see below), whose sum is σ = 72270336. Its totient is φ = 24090096.

The previous prime is 45168919. The next prime is 45168967. The reversal of 45168945 is 54986154.

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

It is not a de Polignac number, because 45168945 - 2⁵ = 45168913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45168897 and 45168906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505617 + ... + 1505646.

It is an arithmetic number, because the mean of its divisors is an integer number (9033792).

Almost surely, 2^45168945 is an apocalyptic number.

It is an amenable number.

45168945 is a deficient number, since it is larger than the sum of its proper divisors (27101391).

45168945 is a wasteful number, since it uses less digits than its factorization.

45168945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011271.

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

The square root of 45168945 is about 6720.7845524165. The cubic root of 45168945 is about 356.1338999948.

It can be divided in two parts, 451 and 68945, that added together give a palindrome (69396).

The spelling of 45168945 in words is "forty-five million, one hundred sixty-eight thousand, nine hundred forty-five".