2152532342454 has 24 divisors (see below), whose sum is σ = 4661697264552. Its totient is φ = 662317643520.

The previous prime is 2152532342453. The next prime is 2152532342459. The reversal of 2152532342454 is 4542432352512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152532342453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061405467 + ... + 1061407494.

It is an arithmetic number, because the mean of its divisors is an integer number (194237386023).

Almost surely, 2^{2152532342454} is an apocalyptic number.

2152532342454 is an abundant number, since it is smaller than the sum of its proper divisors (2509164922098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152532342454 is a wasteful number, since it uses less digits than its factorization.

2152532342454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122812992 (or 2122812979 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 42.

Adding to 2152532342454 its reverse (4542432352512), we get a palindrome (6694964694966).

The spelling of 2152532342454 in words is "two trillion, one hundred fifty-two billion, five hundred thirty-two million, three hundred forty-two thousand, four hundred fifty-four".