149514558461 has 2 divisors, whose sum is σ = 149514558462. Its totient is φ = 149514558460.

The previous prime is 149514558443. The next prime is 149514558467. The reversal of 149514558461 is 164855415941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139633005625 + 9881552836 = 373675^2 + 99406^2 .

It is a cyclic number.

It is not a de Polignac number, because 149514558461 - 2¹⁴ = 149514542077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149514558467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74757279230 + 74757279231.

It is an arithmetic number, because the mean of its divisors is an integer number (74757279231).

Almost surely, 2^149514558461 is an apocalyptic number.

It is an amenable number.

149514558461 is a deficient number, since it is larger than the sum of its proper divisors (1).

149514558461 is an equidigital number, since it uses as much as digits as its factorization.

149514558461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456000, while the sum is 53.

The spelling of 149514558461 in words is "one hundred forty-nine billion, five hundred fourteen million, five hundred fifty-eight thousand, four hundred sixty-one".