151299997 has 2 divisors, whose sum is σ = 151299998. Its totient is φ = 151299996.

The previous prime is 151299991. The next prime is 151300027. The reversal of 151299997 is 799992151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151265401 + 34596 = 12299^2 + 186^2 .

It is a cyclic number.

It is not a de Polignac number, because 151299997 - 2¹⁵ = 151267229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151299991) 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, 75649998 + 75649999.

It is an arithmetic number, because the mean of its divisors is an integer number (75649999).

Almost surely, 2^151299997 is an apocalyptic number.

It is an amenable number.

151299997 is a deficient number, since it is larger than the sum of its proper divisors (1).

151299997 is an equidigital number, since it uses as much as digits as its factorization.

151299997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 52.

The square root of 151299997 is about 12300.4063754008. The cubic root of 151299997 is about 532.8598192601.

The spelling of 151299997 in words is "one hundred fifty-one million, two hundred ninety-nine thousand, nine hundred ninety-seven".