145402597 has 2 divisors, whose sum is σ = 145402598. Its totient is φ = 145402596.

The previous prime is 145402583. The next prime is 145402613. The reversal of 145402597 is 795204541.

145402597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 35593156 = 10479^2 + 5966^2 .

It is a cyclic number.

It is not a de Polignac number, because 145402597 - 2⁷ = 145402469 is a prime.

It is a super-2 number, since 2×145402597² = 42283830428688818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145402577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72701298 + 72701299.

It is an arithmetic number, because the mean of its divisors is an integer number (72701299).

Almost surely, 2^145402597 is an apocalyptic number.

It is an amenable number.

145402597 is a deficient number, since it is larger than the sum of its proper divisors (1).

145402597 is an equidigital number, since it uses as much as digits as its factorization.

145402597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 145402597 is about 12058.2999216307. The cubic root of 145402597 is about 525.8445629282.

The spelling of 145402597 in words is "one hundred forty-five million, four hundred two thousand, five hundred ninety-seven".