151278899 has 2 divisors, whose sum is σ = 151278900. Its totient is φ = 151278898.

The previous prime is 151278857. The next prime is 151278901. The reversal of 151278899 is 998872151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151278899 - 2²⁴ = 134501683 is a prime.

Together with 151278901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151178899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75639449 + 75639450.

It is an arithmetic number, because the mean of its divisors is an integer number (75639450).

Almost surely, 2^151278899 is an apocalyptic number.

151278899 is a deficient number, since it is larger than the sum of its proper divisors (1).

151278899 is an equidigital number, since it uses as much as digits as its factorization.

151278899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 50.

The square root of 151278899 is about 12299.5487315592. The cubic root of 151278899 is about 532.8350499293.

The spelling of 151278899 in words is "one hundred fifty-one million, two hundred seventy-eight thousand, eight hundred ninety-nine".