150303997 has 2 divisors, whose sum is σ = 150303998. Its totient is φ = 150303996.

The previous prime is 150303977. The next prime is 150304031. The reversal of 150303997 is 799303051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148693636 + 1610361 = 12194^2 + 1269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150303997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150303977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75151998 + 75151999.

It is an arithmetic number, because the mean of its divisors is an integer number (75151999).

Almost surely, 2^150303997 is an apocalyptic number.

It is an amenable number.

150303997 is a deficient number, since it is larger than the sum of its proper divisors (1).

150303997 is an equidigital number, since it uses as much as digits as its factorization.

150303997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 150303997 is about 12259.8530578470. The cubic root of 150303997 is about 531.6879812910.

The spelling of 150303997 in words is "one hundred fifty million, three hundred three thousand, nine hundred ninety-seven".