149550277 has 2 divisors, whose sum is σ = 149550278. Its totient is φ = 149550276.

The previous prime is 149550227. The next prime is 149550283. The reversal of 149550277 is 772055941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112169281 + 37380996 = 10591^2 + 6114^2 .

It is a cyclic number.

It is not a de Polignac number, because 149550277 - 2¹⁵ = 149517509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149550227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74775138 + 74775139.

It is an arithmetic number, because the mean of its divisors is an integer number (74775139).

Almost surely, 2^149550277 is an apocalyptic number.

It is an amenable number.

149550277 is a deficient number, since it is larger than the sum of its proper divisors (1).

149550277 is an equidigital number, since it uses as much as digits as its factorization.

149550277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 149550277 is about 12229.0750672322. The cubic root of 149550277 is about 530.7977508084.

The spelling of 149550277 in words is "one hundred forty-nine million, five hundred fifty thousand, two hundred seventy-seven".