149269768 has 8 divisors (see below), whose sum is σ = 279880830. Its totient is φ = 74634880.

The previous prime is 149269717. The next prime is 149269787. The reversal of 149269768 is 867962941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133125444 + 16144324 = 11538^2 + 4018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9329353 + ... + 9329368.

Almost surely, 2^149269768 is an apocalyptic number.

It is an amenable number.

149269768 is a deficient number, since it is larger than the sum of its proper divisors (130611062).

149269768 is a wasteful number, since it uses less digits than its factorization.

149269768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18658727 (or 18658723 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 149269768 is about 12217.6007464641. The cubic root of 149269768 is about 530.4656735547.

The spelling of 149269768 in words is "one hundred forty-nine million, two hundred sixty-nine thousand, seven hundred sixty-eight".