145622579 has 2 divisors, whose sum is σ = 145622580. Its totient is φ = 145622578.

The previous prime is 145622567. The next prime is 145622599. The reversal of 145622579 is 975226541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145622579 is a prime.

It is a super-2 number, since 2×145622579² = 42411871029222482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145622549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72811289 + 72811290.

It is an arithmetic number, because the mean of its divisors is an integer number (72811290).

Almost surely, 2^145622579 is an apocalyptic number.

145622579 is a deficient number, since it is larger than the sum of its proper divisors (1).

145622579 is an equidigital number, since it uses as much as digits as its factorization.

145622579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 145622579 is about 12067.4180751311. The cubic root of 145622579 is about 526.1096156251.

The spelling of 145622579 in words is "one hundred forty-five million, six hundred twenty-two thousand, five hundred seventy-nine".