149652290 has 16 divisors (see below), whose sum is σ = 269517240. Its totient is φ = 59829120.

The previous prime is 149652259. The next prime is 149652311. The reversal of 149652290 is 92256941.

It can be written as a sum of positive squares in 4 ways, for example, as 148766809 + 885481 = 12197^2 + 941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28166 + ... + 33054.

Almost surely, 2^149652290 is an apocalyptic number.

149652290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149652290 is a deficient number, since it is larger than the sum of its proper divisors (119864950).

149652290 is a wasteful number, since it uses less digits than its factorization.

149652290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 149652290 is about 12233.2452767040. The cubic root of 149652290 is about 530.9184147184.

The spelling of 149652290 in words is "one hundred forty-nine million, six hundred fifty-two thousand, two hundred ninety".