149597361 has 27 divisors (see below), whose sum is σ = 225880473. Its totient is φ = 99071100.

The previous prime is 149597353. The next prime is 149597363. The reversal of 149597361 is 163795941.

The square root of 149597361 is 12231.

It is a perfect power (a square), and thus also a powerful number.

149597361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 149597361 - 2³ = 149597353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149597363) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 990636 + ... + 990786.

Almost surely, 2^149597361 is an apocalyptic number.

149597361 is the 12231-st square number.

149597361 is the 6116-th centered octagonal number.

It is an amenable number.

149597361 is a deficient number, since it is larger than the sum of its proper divisors (76283112).

149597361 is an frugal number, since it uses more digits than its factorization.

149597361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 154 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The cubic root of 149597361 is about 530.8534499339.

The spelling of 149597361 in words is "one hundred forty-nine million, five hundred ninety-seven thousand, three hundred sixty-one".