149954117 has 2 divisors, whose sum is σ = 149954118. Its totient is φ = 149954116.

The previous prime is 149954083. The next prime is 149954131. The reversal of 149954117 is 711459941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88472836 + 61481281 = 9406^2 + 7841^2 .

It is a cyclic number.

It is not a de Polignac number, because 149954117 - 2⁸ = 149953861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149954197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74977058 + 74977059.

It is an arithmetic number, because the mean of its divisors is an integer number (74977059).

Almost surely, 2^149954117 is an apocalyptic number.

It is an amenable number.

149954117 is a deficient number, since it is larger than the sum of its proper divisors (1).

149954117 is an equidigital number, since it uses as much as digits as its factorization.

149954117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 149954117 is about 12245.5754050187. The cubic root of 149954117 is about 531.2751035519.

The spelling of 149954117 in words is "one hundred forty-nine million, nine hundred fifty-four thousand, one hundred seventeen".