45165783 has 16 divisors (see below), whose sum is σ = 65028096. Its totient is φ = 27719520.

The previous prime is 45165773. The next prime is 45165871. The reversal of 45165783 is 38756154.

It is not a de Polignac number, because 45165783 - 2¹³ = 45157591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45165713) 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, 15466 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (4064256).

Almost surely, 2^45165783 is an apocalyptic number.

45165783 is a deficient number, since it is larger than the sum of its proper divisors (19862313).

45165783 is a wasteful number, since it uses less digits than its factorization.

45165783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its digits is 100800, while the sum is 39.

The square root of 45165783 is about 6720.5493079063. The cubic root of 45165783 is about 356.1255895529.

The spelling of 45165783 in words is "forty-five million, one hundred sixty-five thousand, seven hundred eighty-three".