145555422432398 has 16 divisors (see below), whose sum is σ = 252192282717744. Its totient is φ = 62269699436160.

The previous prime is 145555422432391. The next prime is 145555422432437. The reversal of 145555422432398 is 893234224555541.

It is a self number, because there is not a number n which added to its sum of digits gives 145555422432398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145555422432391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194592810365 + ... + 194592811112.

It is an arithmetic number, because the mean of its divisors is an integer number (15762017669859).

Almost surely, 2^{145555422432398} is an apocalyptic number.

145555422432398 is a deficient number, since it is larger than the sum of its proper divisors (106636860285346).

145555422432398 is a wasteful number, since it uses less digits than its factorization.

145555422432398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389185621507.

The product of its digits is 207360000, while the sum is 62.

The spelling of 145555422432398 in words is "one hundred forty-five trillion, five hundred fifty-five billion, four hundred twenty-two million, four hundred thirty-two thousand, three hundred ninety-eight".