149495461 has 2 divisors, whose sum is σ = 149495462. Its totient is φ = 149495460.

The previous prime is 149495449. The next prime is 149495483. The reversal of 149495461 is 164594941.

149495461 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., 115971361 + 33524100 = 10769^2 + 5790^2 .

It is a cyclic number.

It is not a de Polignac number, because 149495461 - 2⁹ = 149494949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149495431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74747730 + 74747731.

It is an arithmetic number, because the mean of its divisors is an integer number (74747731).

Almost surely, 2^149495461 is an apocalyptic number.

It is an amenable number.

149495461 is a deficient number, since it is larger than the sum of its proper divisors (1).

149495461 is an equidigital number, since it uses as much as digits as its factorization.

149495461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 149495461 is about 12226.8336457155. The cubic root of 149495461 is about 530.7328902014.

The spelling of 149495461 in words is "one hundred forty-nine million, four hundred ninety-five thousand, four hundred sixty-one".