45118323 has 16 divisors (see below), whose sum is σ = 70774560. Its totient is φ = 28309248.

The previous prime is 45118321. The next prime is 45118343. The reversal of 45118323 is 32381154.

It is a happy number.

It is not a de Polignac number, because 45118323 - 2¹ = 45118321 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (45118321) 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, 48690 + ... + 49607.

It is an arithmetic number, because the mean of its divisors is an integer number (4423410).

Almost surely, 2^45118323 is an apocalyptic number.

45118323 is a deficient number, since it is larger than the sum of its proper divisors (25656237).

45118323 is a wasteful number, since it uses less digits than its factorization.

45118323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98323 (or 98317 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 45118323 is about 6717.0174184678. The cubic root of 45118323 is about 356.0008074509. Note that the first 3 decimals are identical.

Adding to 45118323 its reverse (32381154), we get a palindrome (77499477).

The spelling of 45118323 in words is "forty-five million, one hundred eighteen thousand, three hundred twenty-three".