45354187 has 2 divisors, whose sum is σ = 45354188. Its totient is φ = 45354186.

The previous prime is 45354139. The next prime is 45354191. The reversal of 45354187 is 78145354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45354187 - 2⁷ = 45354059 is a prime.

It is not a weakly prime, because it can be changed into another prime (45354887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22677093 + 22677094.

It is an arithmetic number, because the mean of its divisors is an integer number (22677094).

Almost surely, 2^45354187 is an apocalyptic number.

45354187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45354187 is an equidigital number, since it uses as much as digits as its factorization.

45354187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 45354187 is about 6734.5517296996. The cubic root of 45354187 is about 356.6200819390.

It can be divided in two parts, 453541 and 87, that added together give a triangular number (453628 = T₉₅₂).

The spelling of 45354187 in words is "forty-five million, three hundred fifty-four thousand, one hundred eighty-seven".