149799654 has 24 divisors (see below), whose sum is σ = 325186992. Its totient is φ = 49837680.

The previous prime is 149799649. The next prime is 149799673. The reversal of 149799654 is 456997941.

It is a happy number.

149799654 is a `hidden beast` number, since 1 + 497 + 99 + 65 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 149799654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2047 + ... + 17429.

It is an arithmetic number, because the mean of its divisors is an integer number (13549458).

Almost surely, 2^149799654 is an apocalyptic number.

149799654 is an abundant number, since it is smaller than the sum of its proper divisors (175387338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149799654 is a wasteful number, since it uses less digits than its factorization.

149799654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932 (or 15929 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 149799654 is about 12239.2668898100. The cubic root of 149799654 is about 531.0926243138.

The spelling of 149799654 in words is "one hundred forty-nine million, seven hundred ninety-nine thousand, six hundred fifty-four".