149065497 has 18 divisors (see below), whose sum is σ = 250471338. Its totient is φ = 85180032.

The previous prime is 149065493. The next prime is 149065541. The reversal of 149065497 is 794560941.

149065497 is a `hidden beast` number, since 14 + 90 + 6 + 549 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 146313216 + 2752281 = 12096^2 + 1659^2 .

It is not a de Polignac number, because 149065497 - 2² = 149065493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149065493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 168568 + ... + 169449.

Almost surely, 2^149065497 is an apocalyptic number.

It is an amenable number.

149065497 is a deficient number, since it is larger than the sum of its proper divisors (101405841).

149065497 is a wasteful number, since it uses less digits than its factorization.

149065497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338037 (or 338027 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 149065497 is about 12209.2381826222. The cubic root of 149065497 is about 530.2235878750.

The spelling of 149065497 in words is "one hundred forty-nine million, sixty-five thousand, four hundred ninety-seven".