151899149 has 2 divisors, whose sum is σ = 151899150. Its totient is φ = 151899148.

The previous prime is 151899103. The next prime is 151899151. The reversal of 151899149 is 941998151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78676900 + 73222249 = 8870^2 + 8557^2 .

It is a cyclic number.

It is not a de Polignac number, because 151899149 - 2²⁰ = 150850573 is a prime.

It is a super-3 number, since 3×151899149³ (a number of 26 digits) contains 333 as substring.

Together with 151899151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151899179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75949574 + 75949575.

It is an arithmetic number, because the mean of its divisors is an integer number (75949575).

Almost surely, 2^151899149 is an apocalyptic number.

It is an amenable number.

151899149 is a deficient number, since it is larger than the sum of its proper divisors (1).

151899149 is an equidigital number, since it uses as much as digits as its factorization.

151899149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 47.

The square root of 151899149 is about 12324.7372791472. The cubic root of 151899149 is about 533.5622725012.

The spelling of 151899149 in words is "one hundred fifty-one million, eight hundred ninety-nine thousand, one hundred forty-nine".