145311479 has 2 divisors, whose sum is σ = 145311480. Its totient is φ = 145311478.

The previous prime is 145311443. The next prime is 145311527. The reversal of 145311479 is 974113541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145311479 is a prime.

It is a super-2 number, since 2×145311479² = 42230851858334882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145331479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72655739 + 72655740.

It is an arithmetic number, because the mean of its divisors is an integer number (72655740).

Almost surely, 2^145311479 is an apocalyptic number.

145311479 is a deficient number, since it is larger than the sum of its proper divisors (1).

145311479 is an equidigital number, since it uses as much as digits as its factorization.

145311479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 145311479 is about 12054.5211020596. The cubic root of 145311479 is about 525.7346980475.

The spelling of 145311479 in words is "one hundred forty-five million, three hundred eleven thousand, four hundred seventy-nine".