145748479 has 2 divisors, whose sum is σ = 145748480. Its totient is φ = 145748478.

The previous prime is 145748441. The next prime is 145748483. The reversal of 145748479 is 974847541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145748479 - 2¹⁵ = 145715711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145748489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72874239 + 72874240.

It is an arithmetic number, because the mean of its divisors is an integer number (72874240).

Almost surely, 2^145748479 is an apocalyptic number.

145748479 is a deficient number, since it is larger than the sum of its proper divisors (1).

145748479 is an equidigital number, since it uses as much as digits as its factorization.

145748479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The square root of 145748479 is about 12072.6334741017. The cubic root of 145748479 is about 526.2611903820.

The spelling of 145748479 in words is "one hundred forty-five million, seven hundred forty-eight thousand, four hundred seventy-nine".