1452142443531 has 16 divisors (see below), whose sum is σ = 2088608659200. Its totient is φ = 892134241440.

The previous prime is 1452142443497. The next prime is 1452142443571. The reversal of 1452142443531 is 1353442412541.

It is not a de Polignac number, because 1452142443531 - 2¹⁹ = 1452141919243 is a prime.

It is a super-2 number, since 2×1452142443531² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1452142443531.

It is not an unprimeable number, because it can be changed into a prime (1452142443571) 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, 31057125 + ... + 31103846.

It is an arithmetic number, because the mean of its divisors is an integer number (130538041200).

Almost surely, 2^{1452142443531} is an apocalyptic number.

1452142443531 is a deficient number, since it is larger than the sum of its proper divisors (636466215669).

1452142443531 is a wasteful number, since it uses less digits than its factorization.

1452142443531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62161586.

The product of its digits is 230400, while the sum is 39.

The spelling of 1452142443531 in words is "one trillion, four hundred fifty-two billion, one hundred forty-two million, four hundred forty-three thousand, five hundred thirty-one".