149955907 has 2 divisors, whose sum is σ = 149955908. Its totient is φ = 149955906.

The previous prime is 149955887. The next prime is 149955913. The reversal of 149955907 is 709559941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149955907 - 2¹⁵ = 149923139 is a prime.

It is not a weakly prime, because it can be changed into another prime (149955937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74977953 + 74977954.

It is an arithmetic number, because the mean of its divisors is an integer number (74977954).

Almost surely, 2^149955907 is an apocalyptic number.

149955907 is a deficient number, since it is larger than the sum of its proper divisors (1).

149955907 is an equidigital number, since it uses as much as digits as its factorization.

149955907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 49.

The square root of 149955907 is about 12245.6484924237. The cubic root of 149955907 is about 531.2772174844.

It can be divided in two parts, 14995 and 5907, that added together give a palindrome (20902).

The spelling of 149955907 in words is "one hundred forty-nine million, nine hundred fifty-five thousand, nine hundred seven".