149797656 has 48 divisors (see below), whose sum is σ = 406879200. Its totient is φ = 49787712.

The previous prime is 149797651. The next prime is 149797657. The reversal of 149797656 is 656797941.

149797656 is a `hidden beast` number, since 1 + 497 + 97 + 65 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149797651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23590 + ... + 29258.

It is an arithmetic number, because the mean of its divisors is an integer number (8476650).

Almost surely, 2^149797656 is an apocalyptic number.

It is an amenable number.

149797656 is an abundant number, since it is smaller than the sum of its proper divisors (257081544).

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

149797656 is a wasteful number, since it uses less digits than its factorization.

149797656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048 (or 6041 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 149797656 is about 12239.1852670020. The cubic root of 149797656 is about 531.0902630983.

The spelling of 149797656 in words is "one hundred forty-nine million, seven hundred ninety-seven thousand, six hundred fifty-six".