145044351539 has 2 divisors, whose sum is σ = 145044351540. Its totient is φ = 145044351538.

The previous prime is 145044351499. The next prime is 145044351547. The reversal of 145044351539 is 935153440541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145044351539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145044351539.

It is not a weakly prime, because it can be changed into another prime (145044351559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72522175769 + 72522175770.

It is an arithmetic number, because the mean of its divisors is an integer number (72522175770).

Almost surely, 2^145044351539 is an apocalyptic number.

145044351539 is a deficient number, since it is larger than the sum of its proper divisors (1).

145044351539 is an equidigital number, since it uses as much as digits as its factorization.

145044351539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 145044351539 in words is "one hundred forty-five billion, forty-four million, three hundred fifty-one thousand, five hundred thirty-nine".