45124187 has 2 divisors, whose sum is σ = 45124188. Its totient is φ = 45124186.

The previous prime is 45124169. The next prime is 45124199. The reversal of 45124187 is 78142154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45124187 is a prime.

It is not a weakly prime, because it can be changed into another prime (45724187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22562093 + 22562094.

It is an arithmetic number, because the mean of its divisors is an integer number (22562094).

Almost surely, 2^45124187 is an apocalyptic number.

45124187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45124187 is an equidigital number, since it uses as much as digits as its factorization.

45124187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 45124187 is about 6717.4539075456. The cubic root of 45124187 is about 356.0162298497.

The spelling of 45124187 in words is "forty-five million, one hundred twenty-four thousand, one hundred eighty-seven".