145244213063553 has 16 divisors (see below), whose sum is σ = 196925623578432. Its totient is φ = 95197621800000.

The previous prime is 145244213063531. The next prime is 145244213063597. The reversal of 145244213063553 is 355360312442541.

It is not a de Polignac number, because 145244213063553 - 2¹² = 145244213059457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145244213063503) 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, 184961823 + ... + 185745428.

It is an arithmetic number, because the mean of its divisors is an integer number (12307851473652).

Almost surely, 2^{145244213063553} is an apocalyptic number.

It is an amenable number.

145244213063553 is a deficient number, since it is larger than the sum of its proper divisors (51681410514879).

145244213063553 is a wasteful number, since it uses less digits than its factorization.

145244213063553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370709456.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 145244213063553 in words is "one hundred forty-five trillion, two hundred forty-four billion, two hundred thirteen million, sixty-three thousand, five hundred fifty-three".