145090793 has 2 divisors, whose sum is σ = 145090794. Its totient is φ = 145090792.

The previous prime is 145090709. The next prime is 145090807. The reversal of 145090793 is 397090541.

It is a happy number.

145090793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143233024 + 1857769 = 11968^2 + 1363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145090793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145090703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72545396 + 72545397.

It is an arithmetic number, because the mean of its divisors is an integer number (72545397).

Almost surely, 2^145090793 is an apocalyptic number.

It is an amenable number.

145090793 is a deficient number, since it is larger than the sum of its proper divisors (1).

145090793 is an equidigital number, since it uses as much as digits as its factorization.

145090793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 145090793 is about 12045.3639629527. The cubic root of 145090793 is about 525.4684170151.

The spelling of 145090793 in words is "one hundred forty-five million, ninety thousand, seven hundred ninety-three".