142115456 has 32 divisors (see below), whose sum is σ = 323568480. Its totient is φ = 60906240.

The previous prime is 142115431. The next prime is 142115489. The reversal of 142115456 is 654511241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78410 + ... + 80201.

It is an arithmetic number, because the mean of its divisors is an integer number (10111515).

Almost surely, 2^142115456 is an apocalyptic number.

142115456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142115456 is an abundant number, since it is smaller than the sum of its proper divisors (181453024).

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

142115456 is an equidigital number, since it uses as much as digits as its factorization.

142115456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158632 (or 158620 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 142115456 is about 11921.2187296434. The cubic root of 142115456 is about 521.8517020735.

Adding to 142115456 its reverse (654511241), we get a palindrome (796626697).

The spelling of 142115456 in words is "one hundred forty-two million, one hundred fifteen thousand, four hundred fifty-six".