149643368 has 16 divisors (see below), whose sum is σ = 320664480. Its totient is φ = 64132848.

The previous prime is 149643331. The next prime is 149643371. The reversal of 149643368 is 863346941.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336046 + ... + 1336157.

It is an arithmetic number, because the mean of its divisors is an integer number (20041530).

Almost surely, 2^149643368 is an apocalyptic number.

It is an amenable number.

149643368 is an abundant number, since it is smaller than the sum of its proper divisors (171021112).

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

149643368 is a wasteful number, since it uses less digits than its factorization.

149643368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672216 (or 2672212 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 149643368 is about 12232.8806092433. The cubic root of 149643368 is about 530.9078637089.

The spelling of 149643368 in words is "one hundred forty-nine million, six hundred forty-three thousand, three hundred sixty-eight".