149360569 has 2 divisors, whose sum is σ = 149360570. Its totient is φ = 149360568.

The previous prime is 149360557. The next prime is 149360579. The reversal of 149360569 is 965063941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86713344 + 62647225 = 9312^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 149360569 - 2¹³ = 149352377 is a prime.

It is a super-2 number, since 2×149360569² = 44617159144007522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149360579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74680284 + 74680285.

It is an arithmetic number, because the mean of its divisors is an integer number (74680285).

Almost surely, 2^149360569 is an apocalyptic number.

It is an amenable number.

149360569 is a deficient number, since it is larger than the sum of its proper divisors (1).

149360569 is an equidigital number, since it uses as much as digits as its factorization.

149360569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 149360569 is about 12221.3161729824. The cubic root of 149360569 is about 530.5732127457.

The spelling of 149360569 in words is "one hundred forty-nine million, three hundred sixty thousand, five hundred sixty-nine".