149965268 has 6 divisors (see below), whose sum is σ = 262439226. Its totient is φ = 74982632.

The previous prime is 149965253. The next prime is 149965289. The reversal of 149965268 is 862569941.

It can be written as a sum of positive squares in only one way, i.e., 127193284 + 22771984 = 11278^2 + 4772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18745655 + ... + 18745662.

It is an arithmetic number, because the mean of its divisors is an integer number (43739871).

Almost surely, 2^149965268 is an apocalyptic number.

It is an amenable number.

149965268 is a deficient number, since it is larger than the sum of its proper divisors (112473958).

149965268 is a wasteful number, since it uses less digits than its factorization.

149965268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37491321 (or 37491319 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 149965268 is about 12246.0307038648. The cubic root of 149965268 is about 531.2882722508.

The spelling of 149965268 in words is "one hundred forty-nine million, nine hundred sixty-five thousand, two hundred sixty-eight".