142551144456 has 32 divisors (see below), whose sum is σ = 407288984640. Its totient is φ = 40728898368.

The previous prime is 142551144299. The next prime is 142551144467. The reversal of 142551144456 is 654441155241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424259191 + ... + 424259526.

It is an arithmetic number, because the mean of its divisors is an integer number (12727780770).

Almost surely, 2^142551144456 is an apocalyptic number.

It is an amenable number.

142551144456 is an abundant number, since it is smaller than the sum of its proper divisors (264737840184).

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

142551144456 is a wasteful number, since it uses less digits than its factorization.

142551144456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848518733 (or 848518729 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

Adding to 142551144456 its reverse (654441155241), we get a palindrome (796992299697).

The spelling of 142551144456 in words is "one hundred forty-two billion, five hundred fifty-one million, one hundred forty-four thousand, four hundred fifty-six".