145142479 has 2 divisors, whose sum is σ = 145142480. Its totient is φ = 145142478.

The previous prime is 145142411. The next prime is 145142483. The reversal of 145142479 is 974241541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145142479 - 2¹¹ = 145140431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142142479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72571239 + 72571240.

It is an arithmetic number, because the mean of its divisors is an integer number (72571240).

Almost surely, 2^145142479 is an apocalyptic number.

145142479 is a deficient number, since it is larger than the sum of its proper divisors (1).

145142479 is an equidigital number, since it uses as much as digits as its factorization.

145142479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 145142479 is about 12047.5092446530. The cubic root of 145142479 is about 525.5308058492.

The spelling of 145142479 in words is "one hundred forty-five million, one hundred forty-two thousand, four hundred seventy-nine".