149805968 has 20 divisors (see below), whose sum is σ = 312576348. Its totient is φ = 69141120.

The previous prime is 149805961. The next prime is 149805977. The reversal of 149805968 is 869508941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59783824 + 90022144 = 7732^2 + 9488^2 .

It is not an unprimeable number, because it can be changed into a prime (149805961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359903 + ... + 360318.

Almost surely, 2^149805968 is an apocalyptic number.

It is an amenable number.

149805968 is an abundant number, since it is smaller than the sum of its proper divisors (162770380).

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

149805968 is a wasteful number, since it uses less digits than its factorization.

149805968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720242 (or 720236 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 149805968 is about 12239.5248273779. The cubic root of 149805968 is about 531.1000859949.

The spelling of 149805968 in words is "one hundred forty-nine million, eight hundred five thousand, nine hundred sixty-eight".