45252187 has 2 divisors, whose sum is σ = 45252188. Its totient is φ = 45252186.

The previous prime is 45252173. The next prime is 45252191. The reversal of 45252187 is 78125254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45252187 - 2¹⁹ = 44727899 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45250187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22626093 + 22626094.

It is an arithmetic number, because the mean of its divisors is an integer number (22626094).

Almost surely, 2^45252187 is an apocalyptic number.

45252187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45252187 is an equidigital number, since it uses as much as digits as its factorization.

45252187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

The square root of 45252187 is about 6726.9745800025. The cubic root of 45252187 is about 356.3525391917.

The spelling of 45252187 in words is "forty-five million, two hundred fifty-two thousand, one hundred eighty-seven".