145310797 has 2 divisors, whose sum is σ = 145310798. Its totient is φ = 145310796.

The previous prime is 145310791. The next prime is 145310813. The reversal of 145310797 is 797013541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145298916 + 11881 = 12054^2 + 109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145310797 is a prime.

It is a super-2 number, since 2×145310797² = 42230455449550418, 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 (145310791) 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, 72655398 + 72655399.

It is an arithmetic number, because the mean of its divisors is an integer number (72655399).

Almost surely, 2^145310797 is an apocalyptic number.

It is an amenable number.

145310797 is a deficient number, since it is larger than the sum of its proper divisors (1).

145310797 is an equidigital number, since it uses as much as digits as its factorization.

145310797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 145310797 is about 12054.4928138848. The cubic root of 145310797 is about 525.7338755577.

The spelling of 145310797 in words is "one hundred forty-five million, three hundred ten thousand, seven hundred ninety-seven".