149052961 has 2 divisors, whose sum is σ = 149052962. Its totient is φ = 149052960.

The previous prime is 149052947. The next prime is 149053001. The reversal of 149052961 is 169250941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 53012961 = 9800^2 + 7281^2 .

It is a cyclic number.

It is not a de Polignac number, because 149052961 - 2¹⁹ = 148528673 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 149052961.

It is not a weakly prime, because it can be changed into another prime (149052901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74526480 + 74526481.

It is an arithmetic number, because the mean of its divisors is an integer number (74526481).

Almost surely, 2^149052961 is an apocalyptic number.

It is an amenable number.

149052961 is a deficient number, since it is larger than the sum of its proper divisors (1).

149052961 is an equidigital number, since it uses as much as digits as its factorization.

149052961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 149052961 is about 12208.7247900835. The cubic root of 149052961 is about 530.2087240079.

The spelling of 149052961 in words is "one hundred forty-nine million, fifty-two thousand, nine hundred sixty-one".