151230251 has 2 divisors, whose sum is σ = 151230252. Its totient is φ = 151230250.

The previous prime is 151230223. The next prime is 151230257. The reversal of 151230251 is 152032151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151230251 - 2²² = 147035947 is a prime.

It is not a weakly prime, because it can be changed into another prime (151230257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75615125 + 75615126.

It is an arithmetic number, because the mean of its divisors is an integer number (75615126).

Almost surely, 2^151230251 is an apocalyptic number.

151230251 is a deficient number, since it is larger than the sum of its proper divisors (1).

151230251 is an equidigital number, since it uses as much as digits as its factorization.

151230251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151230251 is about 12297.5709390107. The cubic root of 151230251 is about 532.7779277557. Note that the first 3 decimals are identical.

The spelling of 151230251 in words is "one hundred fifty-one million, two hundred thirty thousand, two hundred fifty-one".