145624421271 has 16 divisors (see below), whose sum is σ = 231551875584. Its totient is φ = 79595956704.

The previous prime is 145624421269. The next prime is 145624421297. The reversal of 145624421271 is 172124426541.

It is not a de Polignac number, because 145624421271 - 2¹ = 145624421269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145624421231) 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, 150749436 + ... + 150750401.

It is an arithmetic number, because the mean of its divisors is an integer number (14471992224).

Almost surely, 2^145624421271 is an apocalyptic number.

145624421271 is a deficient number, since it is larger than the sum of its proper divisors (85927454313).

145624421271 is a wasteful number, since it uses less digits than its factorization.

145624421271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301499870.

The product of its digits is 107520, while the sum is 39.

The spelling of 145624421271 in words is "one hundred forty-five billion, six hundred twenty-four million, four hundred twenty-one thousand, two hundred seventy-one".