149220296 has 8 divisors (see below), whose sum is σ = 279788070. Its totient is φ = 74610144.

The previous prime is 149220287. The next prime is 149220311. The reversal of 149220296 is 692022941.

149220296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144336196 + 4884100 = 12014^2 + 2210^2 .

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, 9326261 + ... + 9326276.

Almost surely, 2^149220296 is an apocalyptic number.

149220296 is the 6530-th centered heptagonal number.

It is an amenable number.

149220296 is a deficient number, since it is larger than the sum of its proper divisors (130567774).

149220296 is a wasteful number, since it uses less digits than its factorization.

149220296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18652543 (or 18652539 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 149220296 is about 12215.5759585866. The cubic root of 149220296 is about 530.4070635675.

The spelling of 149220296 in words is "one hundred forty-nine million, two hundred twenty thousand, two hundred ninety-six".