1545332212455 has 16 divisors (see below), whose sum is σ = 2472640763904. Its totient is φ = 824140772000.

The previous prime is 1545332212397. The next prime is 1545332212471. The reversal of 1545332212455 is 5542122335451.

It is not a de Polignac number, because 1545332212455 - 2⁸ = 1545332212199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922859 + ... + 2605388.

It is an arithmetic number, because the mean of its divisors is an integer number (154540047744).

Almost surely, 2^{1545332212455} is an apocalyptic number.

1545332212455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1545332212455 is a deficient number, since it is larger than the sum of its proper divisors (927308551449).

1545332212455 is a wasteful number, since it uses less digits than its factorization.

1545332212455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551006.

The product of its digits is 720000, while the sum is 42.

The spelling of 1545332212455 in words is "one trillion, five hundred forty-five billion, three hundred thirty-two million, two hundred twelve thousand, four hundred fifty-five".