151515149 has 2 divisors, whose sum is σ = 151515150. Its totient is φ = 151515148.

The previous prime is 151515097. The next prime is 151515167. The reversal of 151515149 is 941515151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151462249 + 52900 = 12307^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 151515149 - 2⁸ = 151514893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151515179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75757574 + 75757575.

It is an arithmetic number, because the mean of its divisors is an integer number (75757575).

Almost surely, 2^151515149 is an apocalyptic number.

It is an amenable number.

151515149 is a deficient number, since it is larger than the sum of its proper divisors (1).

151515149 is an equidigital number, since it uses as much as digits as its factorization.

151515149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 32.

The square root of 151515149 is about 12309.1489957673. The cubic root of 151515149 is about 533.1122791808.

The spelling of 151515149 in words is "one hundred fifty-one million, five hundred fifteen thousand, one hundred forty-nine".