149897264 has 20 divisors (see below), whose sum is σ = 316828680. Its totient is φ = 68135040.

The previous prime is 149897261. The next prime is 149897287. The reversal of 149897264 is 462798941.

It is not an unprimeable number, because it can be changed into a prime (149897261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425669 + ... + 426020.

It is an arithmetic number, because the mean of its divisors is an integer number (15841434).

Almost surely, 2^149897264 is an apocalyptic number.

It is an amenable number.

149897264 is an abundant number, since it is smaller than the sum of its proper divisors (166931416).

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

149897264 is a wasteful number, since it uses less digits than its factorization.

149897264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851708 (or 851702 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 149897264 is about 12243.2538158775. The cubic root of 149897264 is about 531.2079532305.

The spelling of 149897264 in words is "one hundred forty-nine million, eight hundred ninety-seven thousand, two hundred sixty-four".