1545114221373 has 16 divisors (see below), whose sum is σ = 2133219931200. Its totient is φ = 993609926400.

The previous prime is 1545114221353. The next prime is 1545114221449. The reversal of 1545114221373 is 3731224115451.

It is not a de Polignac number, because 1545114221373 - 2⁵ = 1545114221341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545114221353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8357628 + ... + 8540501.

It is an arithmetic number, because the mean of its divisors is an integer number (133326245700).

Almost surely, 2^{1545114221373} is an apocalyptic number.

It is an amenable number.

1545114221373 is a deficient number, since it is larger than the sum of its proper divisors (588105709827).

1545114221373 is a wasteful number, since it uses less digits than its factorization.

1545114221373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899212.

The product of its digits is 100800, while the sum is 39.

The spelling of 1545114221373 in words is "one trillion, five hundred forty-five billion, one hundred fourteen million, two hundred twenty-one thousand, three hundred seventy-three".