145515454423355 has 8 divisors (see below), whose sum is σ = 183808995061200. Its totient is φ = 110285397036576.

The previous prime is 145515454423321. The next prime is 145515454423357. The reversal of 145515454423355 is 553324454515541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145515454423355 - 2⁸ = 145515454423099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145515454423355.

It is not an unprimeable number, because it can be changed into a prime (145515454423357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765870812660 + ... + 765870812849.

It is an arithmetic number, because the mean of its divisors is an integer number (22976124382650).

Almost surely, 2^{145515454423355} is an apocalyptic number.

145515454423355 is a deficient number, since it is larger than the sum of its proper divisors (38293540637845).

145515454423355 is a wasteful number, since it uses less digits than its factorization.

145515454423355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531741625533.

The product of its digits is 72000000, while the sum is 56.

The spelling of 145515454423355 in words is "one hundred forty-five trillion, five hundred fifteen billion, four hundred fifty-four million, four hundred twenty-three thousand, three hundred fifty-five".