149417101 has 2 divisors, whose sum is σ = 149417102. Its totient is φ = 149417100.

The previous prime is 149417033. The next prime is 149417113. The reversal of 149417101 is 101714941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146773225 + 2643876 = 12115^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 149417101 - 2¹¹ = 149415053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149417101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149417141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74708550 + 74708551.

It is an arithmetic number, because the mean of its divisors is an integer number (74708551).

Almost surely, 2^149417101 is an apocalyptic number.

It is an amenable number.

149417101 is a deficient number, since it is larger than the sum of its proper divisors (1).

149417101 is an equidigital number, since it uses as much as digits as its factorization.

149417101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 149417101 is about 12223.6287983561. The cubic root of 149417101 is about 530.6401438009.

The spelling of 149417101 in words is "one hundred forty-nine million, four hundred seventeen thousand, one hundred one".