45954187 has 2 divisors, whose sum is σ = 45954188. Its totient is φ = 45954186.

The previous prime is 45954173. The next prime is 45954191. The reversal of 45954187 is 78145954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45954187 - 2²³ = 37565579 is a prime.

It is a super-2 number, since 2×45954187² = 4223574605661938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45954137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22977093 + 22977094.

It is an arithmetic number, because the mean of its divisors is an integer number (22977094).

Almost surely, 2^45954187 is an apocalyptic number.

45954187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45954187 is an equidigital number, since it uses as much as digits as its factorization.

45954187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 45954187 is about 6778.9517626253. The cubic root of 45954187 is about 358.1857981910.

The spelling of 45954187 in words is "forty-five million, nine hundred fifty-four thousand, one hundred eighty-seven".