45153423 has 32 divisors (see below), whose sum is σ = 78328320. Its totient is φ = 25168320.

The previous prime is 45153421. The next prime is 45153457. The reversal of 45153423 is 32435154.

It is not a de Polignac number, because 45153423 - 2¹ = 45153421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45153421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4836 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (2447760).

Almost surely, 2^45153423 is an apocalyptic number.

45153423 is a deficient number, since it is larger than the sum of its proper divisors (33174897).

45153423 is a wasteful number, since it uses less digits than its factorization.

45153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5878 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 45153423 is about 6719.6296772962. The cubic root of 45153423 is about 356.0931009921.

Adding to 45153423 its reverse (32435154), we get a palindrome (77588577).

The spelling of 45153423 in words is "forty-five million, one hundred fifty-three thousand, four hundred twenty-three".