149380597 has 2 divisors, whose sum is σ = 149380598. Its totient is φ = 149380596.

The previous prime is 149380579. The next prime is 149380601. The reversal of 149380597 is 795083941.

It is a happy number.

Together with previous prime (149380579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83429956 + 65950641 = 9134^2 + 8121^2 .

It is a cyclic number.

It is not a de Polignac number, because 149380597 - 2²⁷ = 15162869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149380577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74690298 + 74690299.

It is an arithmetic number, because the mean of its divisors is an integer number (74690299).

Almost surely, 2^149380597 is an apocalyptic number.

It is an amenable number.

149380597 is a deficient number, since it is larger than the sum of its proper divisors (1).

149380597 is an equidigital number, since it uses as much as digits as its factorization.

149380597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 149380597 is about 12222.1355335310. The cubic root of 149380597 is about 530.5969268256.

The spelling of 149380597 in words is "one hundred forty-nine million, three hundred eighty thousand, five hundred ninety-seven".