145226959 has 2 divisors, whose sum is σ = 145226960. Its totient is φ = 145226958.

The previous prime is 145226947. The next prime is 145226981. The reversal of 145226959 is 959622541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145226959 - 2²¹ = 143129807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145226929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72613479 + 72613480.

It is an arithmetic number, because the mean of its divisors is an integer number (72613480).

Almost surely, 2^145226959 is an apocalyptic number.

145226959 is a deficient number, since it is larger than the sum of its proper divisors (1).

145226959 is an equidigital number, since it uses as much as digits as its factorization.

145226959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 145226959 is about 12051.0148535300. The cubic root of 145226959 is about 525.6327475915.

The spelling of 145226959 in words is "one hundred forty-five million, two hundred twenty-six thousand, nine hundred fifty-nine".