1545421063153 has 4 divisors (see below), whose sum is σ = 1685913887088. Its totient is φ = 1404928239220.

The previous prime is 1545421063141. The next prime is 1545421063157. The reversal of 1545421063153 is 3513601245451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1545421063153 - 2⁹ = 1545421062641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1545421063157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70246411951 + ... + 70246411972.

It is an arithmetic number, because the mean of its divisors is an integer number (421478471772).

Almost surely, 2^{1545421063153} is an apocalyptic number.

It is an amenable number.

1545421063153 is a deficient number, since it is larger than the sum of its proper divisors (140492823935).

1545421063153 is a wasteful number, since it uses less digits than its factorization.

1545421063153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140492823934.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1545421063153 in words is "one trillion, five hundred forty-five billion, four hundred twenty-one million, sixty-three thousand, one hundred fifty-three".