45123867 has 12 divisors (see below), whose sum is σ = 65678184. Its totient is φ = 29852160.

The previous prime is 45123857. The next prime is 45123877. The reversal of 45123867 is 76832154.

It is an interprime number because it is at equal distance from previous prime (45123857) and next prime (45123877).

It is not a de Polignac number, because 45123867 - 2¹⁴ = 45107483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45123857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17958 + ... + 20315.

It is an arithmetic number, because the mean of its divisors is an integer number (5473182).

Almost surely, 2^45123867 is an apocalyptic number.

45123867 is a deficient number, since it is larger than the sum of its proper divisors (20554317).

45123867 is a wasteful number, since it uses less digits than its factorization.

45123867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38410 (or 38407 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45123867 is about 6717.4300889552. The cubic root of 45123867 is about 356.0153882798.

The spelling of 45123867 in words is "forty-five million, one hundred twenty-three thousand, eight hundred sixty-seven".