149327557 has 2 divisors, whose sum is σ = 149327558. Its totient is φ = 149327556.

The previous prime is 149327551. The next prime is 149327599. The reversal of 149327557 is 755723941.

149327557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96314596 + 53012961 = 9814^2 + 7281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149327557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149327551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74663778 + 74663779.

It is an arithmetic number, because the mean of its divisors is an integer number (74663779).

Almost surely, 2^149327557 is an apocalyptic number.

It is an amenable number.

149327557 is a deficient number, since it is larger than the sum of its proper divisors (1).

149327557 is an equidigital number, since it uses as much as digits as its factorization.

149327557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 43.

The square root of 149327557 is about 12219.9655073163. The cubic root of 149327557 is about 530.5341203811.

The spelling of 149327557 in words is "one hundred forty-nine million, three hundred twenty-seven thousand, five hundred fifty-seven".