145603319 has 2 divisors, whose sum is σ = 145603320. Its totient is φ = 145603318.

The previous prime is 145603313. The next prime is 145603379. The reversal of 145603319 is 913306541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145603319 - 2⁴ = 145603303 is a prime.

It is a super-2 number, since 2×145603319² = 42400653007631522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145603313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72801659 + 72801660.

It is an arithmetic number, because the mean of its divisors is an integer number (72801660).

Almost surely, 2^145603319 is an apocalyptic number.

145603319 is a deficient number, since it is larger than the sum of its proper divisors (1).

145603319 is an equidigital number, since it uses as much as digits as its factorization.

145603319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 145603319 is about 12066.6200321382. The cubic root of 145603319 is about 526.0864202342.

The spelling of 145603319 in words is "one hundred forty-five million, six hundred three thousand, three hundred nineteen".