145883597 has 2 divisors, whose sum is σ = 145883598. Its totient is φ = 145883596.

The previous prime is 145883567. The next prime is 145883603. The reversal of 145883597 is 795388541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 47596201 = 9914^2 + 6899^2 .

It is a cyclic number.

It is not a de Polignac number, because 145883597 - 2²⁰ = 144835021 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 (145883557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72941798 + 72941799.

It is an arithmetic number, because the mean of its divisors is an integer number (72941799).

Almost surely, 2^145883597 is an apocalyptic number.

It is an amenable number.

145883597 is a deficient number, since it is larger than the sum of its proper divisors (1).

145883597 is an equidigital number, since it uses as much as digits as its factorization.

145883597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 50.

The square root of 145883597 is about 12078.2282227154. The cubic root of 145883597 is about 526.4237658857.

The spelling of 145883597 in words is "one hundred forty-five million, eight hundred eighty-three thousand, five hundred ninety-seven".