149610577 has 2 divisors, whose sum is σ = 149610578. Its totient is φ = 149610576.

The previous prime is 149610553. The next prime is 149610581. The reversal of 149610577 is 775016941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139216401 + 10394176 = 11799^2 + 3224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149610577 is a prime.

It is not a weakly prime, because it can be changed into another prime (149610547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74805288 + 74805289.

It is an arithmetic number, because the mean of its divisors is an integer number (74805289).

Almost surely, 2^149610577 is an apocalyptic number.

It is an amenable number.

149610577 is a deficient number, since it is larger than the sum of its proper divisors (1).

149610577 is an equidigital number, since it uses as much as digits as its factorization.

149610577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 149610577 is about 12231.5402546041. The cubic root of 149610577 is about 530.8690820113.

The spelling of 149610577 in words is "one hundred forty-nine million, six hundred ten thousand, five hundred seventy-seven".