154532132143232 has 32 divisors (see below), whose sum is σ = 308079905587500. Its totient is φ = 77210116623360.

The previous prime is 154532132143189. The next prime is 154532132143241. The reversal of 154532132143232 is 232341231235451.

It can be written as a sum of positive squares in 2 ways, for example, as 154457769034816 + 74363108416 = 12428104^2 + 272696^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 154532132143232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436927607 + ... + 437281142.

Almost surely, 2^{154532132143232} is an apocalyptic number.

It is an amenable number.

154532132143232 is a deficient number, since it is larger than the sum of its proper divisors (153547773444268).

154532132143232 is an equidigital number, since it uses as much as digits as its factorization.

154532132143232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874210144 (or 874210132 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

Adding to 154532132143232 its reverse (232341231235451), we get a palindrome (386873363378683).

The spelling of 154532132143232 in words is "one hundred fifty-four trillion, five hundred thirty-two billion, one hundred thirty-two million, one hundred forty-three thousand, two hundred thirty-two".