149898655 has 24 divisors (see below), whose sum is σ = 188425440. Its totient is φ = 114445440.

The previous prime is 149898647. The next prime is 149898667. The reversal of 149898655 is 556898941.

It is not a de Polignac number, because 149898655 - 2³ = 149898647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149898596 and 149898605.

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 23 ways as a sum of consecutive naturals, for example, 417366 + ... + 417724.

It is an arithmetic number, because the mean of its divisors is an integer number (7851060).

Almost surely, 2^149898655 is an apocalyptic number.

149898655 is a deficient number, since it is larger than the sum of its proper divisors (38526785).

149898655 is an equidigital number, since it uses as much as digits as its factorization.

149898655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 462 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 55.

The square root of 149898655 is about 12243.3106225400. The cubic root of 149898655 is about 531.2095963736.

The spelling of 149898655 in words is "one hundred forty-nine million, eight hundred ninety-eight thousand, six hundred fifty-five".