149231607 has 24 divisors (see below), whose sum is σ = 232508016. Its totient is φ = 84889728.

The previous prime is 149231603. The next prime is 149231609. The reversal of 149231607 is 706132941.

It is not a de Polignac number, because 149231607 - 2² = 149231603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149231603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32073 + ... + 36429.

It is an arithmetic number, because the mean of its divisors is an integer number (9687834).

Almost surely, 2^149231607 is an apocalyptic number.

149231607 is a deficient number, since it is larger than the sum of its proper divisors (83276409).

149231607 is a wasteful number, since it uses less digits than its factorization.

149231607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4600 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 149231607 is about 12216.0389242995. The cubic root of 149231607 is about 530.4204649677.

The spelling of 149231607 in words is "one hundred forty-nine million, two hundred thirty-one thousand, six hundred seven".