142115656 has 16 divisors (see below), whose sum is σ = 275063040. Its totient is φ = 68765520.

The previous prime is 142115647. The next prime is 142115657. The reversal of 142115656 is 656511241.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (142115657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286276 + ... + 286771.

It is an arithmetic number, because the mean of its divisors is an integer number (17191440).

Almost surely, 2^142115656 is an apocalyptic number.

It is an amenable number.

142115656 is a deficient number, since it is larger than the sum of its proper divisors (132947384).

142115656 is a wasteful number, since it uses less digits than its factorization.

142115656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573084 (or 573080 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 142115656 is about 11921.2271180445. The cubic root of 142115656 is about 521.8519468751.

Adding to 142115656 its reverse (656511241), we get a palindrome (798626897).

The spelling of 142115656 in words is "one hundred forty-two million, one hundred fifteen thousand, six hundred fifty-six".