145549733353 has 2 divisors, whose sum is σ = 145549733354. Its totient is φ = 145549733352.

The previous prime is 145549733333. The next prime is 145549733389. The reversal of 145549733353 is 353337945541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101227694569 + 44322038784 = 318163^2 + 210528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145549733353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145549733353.

It is not a weakly prime, because it can be changed into another prime (145549733333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72774866676 + 72774866677.

It is an arithmetic number, because the mean of its divisors is an integer number (72774866677).

Almost surely, 2^145549733353 is an apocalyptic number.

It is an amenable number.

145549733353 is a deficient number, since it is larger than the sum of its proper divisors (1).

145549733353 is an equidigital number, since it uses as much as digits as its factorization.

145549733353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206000, while the sum is 52.

The spelling of 145549733353 in words is "one hundred forty-five billion, five hundred forty-nine million, seven hundred thirty-three thousand, three hundred fifty-three".