142001415555 has 32 divisors (see below), whose sum is σ = 228998880000. Its totient is φ = 75136693632.

The previous prime is 142001415539. The next prime is 142001415557. The reversal of 142001415555 is 555514100241.

It is a happy number.

It is not a de Polignac number, because 142001415555 - 2⁴ = 142001415539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142001415557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1506196 + ... + 1597694.

It is an arithmetic number, because the mean of its divisors is an integer number (7156215000).

Almost surely, 2^142001415555 is an apocalyptic number.

142001415555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142001415555 is a deficient number, since it is larger than the sum of its proper divisors (86997464445).

142001415555 is a wasteful number, since it uses less digits than its factorization.

142001415555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92323.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 142001415555 its reverse (555514100241), we get a palindrome (697515515796).

The spelling of 142001415555 in words is "one hundred forty-two billion, one million, four hundred fifteen thousand, five hundred fifty-five".