145368599 has 2 divisors, whose sum is σ = 145368600. Its totient is φ = 145368598.

The previous prime is 145368589. The next prime is 145368617. The reversal of 145368599 is 995863541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145368599 is a prime.

It is a super-2 number, since 2×145368599² = 42264059150445602, 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 (145368569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72684299 + 72684300.

It is an arithmetic number, because the mean of its divisors is an integer number (72684300).

Almost surely, 2^145368599 is an apocalyptic number.

145368599 is a deficient number, since it is larger than the sum of its proper divisors (1).

145368599 is an equidigital number, since it uses as much as digits as its factorization.

145368599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 50.

The square root of 145368599 is about 12056.8901048322. The cubic root of 145368599 is about 525.8035754507.

The spelling of 145368599 in words is "one hundred forty-five million, three hundred sixty-eight thousand, five hundred ninety-nine".