145197789338498 has 16 divisors (see below), whose sum is σ = 234625717568760. Its totient is φ = 66992809314816.

The previous prime is 145197789338359. The next prime is 145197789338521. The reversal of 145197789338498 is 894833987791541.

145197789338498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 97908195050449 + 47289594288049 = 9894857^2 + 6876743^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898042415 + ... + 898204082.

Almost surely, 2^{145197789338498} is an apocalyptic number.

145197789338498 is a deficient number, since it is larger than the sum of its proper divisors (89427928230262).

145197789338498 is a wasteful number, since it uses less digits than its factorization.

145197789338498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796249621.

The product of its digits is 13168189440, while the sum is 86.

The spelling of 145197789338498 in words is "one hundred forty-five trillion, one hundred ninety-seven billion, seven hundred eighty-nine million, three hundred thirty-eight thousand, four hundred ninety-eight".