142545040004451 has 64 divisors (see below), whose sum is σ = 234088543420416. Its totient is φ = 75304211673600.

The previous prime is 142545040004441. The next prime is 142545040004533. The reversal of 142545040004451 is 154400040545241.

It is not a de Polignac number, because 142545040004451 - 2¹¹ = 142545040002403 is a prime.

It is a super-2 number, since 2×142545040004451² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142545040004441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3506875 + ... + 17244948.

It is an arithmetic number, because the mean of its divisors is an integer number (3657633490944).

Almost surely, 2^{142545040004451} is an apocalyptic number.

142545040004451 is a deficient number, since it is larger than the sum of its proper divisors (91543503415965).

142545040004451 is a wasteful number, since it uses less digits than its factorization.

142545040004451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20752192.

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 142545040004451 its reverse (154400040545241), we get a palindrome (296945080549692).

The spelling of 142545040004451 in words is "one hundred forty-two trillion, five hundred forty-five billion, forty million, four thousand, four hundred fifty-one".