149598655 has 4 divisors (see below), whose sum is σ = 179518392. Its totient is φ = 119678920.

The previous prime is 149598643. The next prime is 149598667. The reversal of 149598655 is 556895941.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (149598643) and next prime (149598667).

It is not a de Polignac number, because 149598655 - 2¹⁵ = 149565887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14959861 + ... + 14959870.

It is an arithmetic number, because the mean of its divisors is an integer number (44879598).

Almost surely, 2^149598655 is an apocalyptic number.

149598655 is a deficient number, since it is larger than the sum of its proper divisors (29919737).

149598655 is an equidigital number, since it uses as much as digits as its factorization.

149598655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29919736.

The product of its digits is 1944000, while the sum is 52.

The square root of 149598655 is about 12231.0528982586. The cubic root of 149598655 is about 530.8549805366.

The spelling of 149598655 in words is "one hundred forty-nine million, five hundred ninety-eight thousand, six hundred fifty-five".