45909105 has 16 divisors (see below), whose sum is σ = 80132544. Its totient is φ = 22258880.

The previous prime is 45909091. The next prime is 45909107. The reversal of 45909105 is 50190954.

It is not a de Polignac number, because 45909105 - 2⁴ = 45909089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (45909107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138954 + ... + 139283.

It is an arithmetic number, because the mean of its divisors is an integer number (5008284).

Almost surely, 2^45909105 is an apocalyptic number.

It is an amenable number.

45909105 is a deficient number, since it is larger than the sum of its proper divisors (34223439).

45909105 is a wasteful number, since it uses less digits than its factorization.

45909105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278256.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 45909105 is about 6775.6258013559. The cubic root of 45909105 is about 358.0686306632.

It can be divided in two parts, 4590 and 9105, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 45909105 in words is "forty-five million, nine hundred nine thousand, one hundred five".