153149999 has 2 divisors, whose sum is σ = 153150000. Its totient is φ = 153149998.

The previous prime is 153149989. The next prime is 153150001. The reversal of 153149999 is 999941351.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153149999 - 2⁸ = 153149743 is a prime.

Together with 153150001, 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 (153149989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76574999 + 76575000.

It is an arithmetic number, because the mean of its divisors is an integer number (76575000).

Almost surely, 2^153149999 is an apocalyptic number.

153149999 is a deficient number, since it is larger than the sum of its proper divisors (1).

153149999 is an equidigital number, since it uses as much as digits as its factorization.

153149999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 50.

The square root of 153149999 is about 12375.3787416790. The cubic root of 153149999 is about 535.0228528393.

The spelling of 153149999 in words is "one hundred fifty-three million, one hundred forty-nine thousand, nine hundred ninety-nine".