146370997 has 2 divisors, whose sum is σ = 146370998. Its totient is φ = 146370996.

The previous prime is 146370989. The next prime is 146371021. The reversal of 146370997 is 799073641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137334961 + 9036036 = 11719^2 + 3006^2 .

It is a cyclic number.

It is not a de Polignac number, because 146370997 - 2³ = 146370989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146370907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73185498 + 73185499.

It is an arithmetic number, because the mean of its divisors is an integer number (73185499).

Almost surely, 2^146370997 is an apocalyptic number.

It is an amenable number.

146370997 is a deficient number, since it is larger than the sum of its proper divisors (1).

146370997 is an equidigital number, since it uses as much as digits as its factorization.

146370997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 146370997 is about 12098.3881984337. The cubic root of 146370997 is about 527.0093782800.

The spelling of 146370997 in words is "one hundred forty-six million, three hundred seventy thousand, nine hundred ninety-seven".