145934297 has 2 divisors, whose sum is σ = 145934298. Its totient is φ = 145934296.

The previous prime is 145934249. The next prime is 145934309. The reversal of 145934297 is 792439541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130965136 + 14969161 = 11444^2 + 3869^2 .

It is a cyclic number.

It is not a de Polignac number, because 145934297 - 2⁶ = 145934233 is a prime.

It is not a weakly prime, because it can be changed into another prime (145934207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72967148 + 72967149.

It is an arithmetic number, because the mean of its divisors is an integer number (72967149).

Almost surely, 2^145934297 is an apocalyptic number.

It is an amenable number.

145934297 is a deficient number, since it is larger than the sum of its proper divisors (1).

145934297 is an equidigital number, since it uses as much as digits as its factorization.

145934297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 145934297 is about 12080.3268581608. The cubic root of 145934297 is about 526.4847427974.

The spelling of 145934297 in words is "one hundred forty-five million, nine hundred thirty-four thousand, two hundred ninety-seven".