142545452432 has 40 divisors (see below), whose sum is σ = 283548648600. Its totient is φ = 69379358720.

The previous prime is 142545452429. The next prime is 142545452437. The reversal of 142545452432 is 234254545241.

It can be written as a sum of positive squares in 4 ways, for example, as 22729783696 + 119815668736 = 150764^2 + 346144^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 142545452432.

It is not an unprimeable number, because it can be changed into a prime (142545452437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52568 + ... + 536520.

It is an arithmetic number, because the mean of its divisors is an integer number (7088716215).

Almost surely, 2^142545452432 is an apocalyptic number.

It is an amenable number.

142545452432 is a deficient number, since it is larger than the sum of its proper divisors (141003196168).

142545452432 is a wasteful number, since it uses less digits than its factorization.

142545452432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484451 (or 484445 counting only the distinct ones).

The product of its digits is 768000, while the sum is 41.

Adding to 142545452432 its reverse (234254545241), we get a palindrome (376799997673).

The spelling of 142545452432 in words is "one hundred forty-two billion, five hundred forty-five million, four hundred fifty-two thousand, four hundred thirty-two".