46187149 has 2 divisors, whose sum is σ = 46187150. Its totient is φ = 46187148.

The previous prime is 46187107. The next prime is 46187159. The reversal of 46187149 is 94178164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 5673924 = 6365^2 + 2382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46187149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46187159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23093574 + 23093575.

It is an arithmetic number, because the mean of its divisors is an integer number (23093575).

Almost surely, 2^46187149 is an apocalyptic number.

It is an amenable number.

46187149 is a deficient number, since it is larger than the sum of its proper divisors (1).

46187149 is an equidigital number, since it uses as much as digits as its factorization.

46187149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 46187149 is about 6796.1127859976. The cubic root of 46187149 is about 358.7900454272.

The spelling of 46187149 in words is "forty-six million, one hundred eighty-seven thousand, one hundred forty-nine".