45153923 has 2 divisors, whose sum is σ = 45153924. Its totient is φ = 45153922.

The previous prime is 45153917. The next prime is 45153947. The reversal of 45153923 is 32935154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45153923 - 2⁶ = 45153859 is a prime.

It is equal to p_2726942 and since 45153923 and 2726942 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45153923.

It is not a weakly prime, because it can be changed into another prime (45153973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22576961 + 22576962.

It is an arithmetic number, because the mean of its divisors is an integer number (22576962).

Almost surely, 2^45153923 is an apocalyptic number.

45153923 is a deficient number, since it is larger than the sum of its proper divisors (1).

45153923 is an equidigital number, since it uses as much as digits as its factorization.

45153923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 45153923 is about 6719.6668816244. Note that the first 3 decimals coincide. The cubic root of 45153923 is about 356.0944153693.

The spelling of 45153923 in words is "forty-five million, one hundred fifty-three thousand, nine hundred twenty-three".