142455556 has 12 divisors (see below), whose sum is σ = 252301392. Its totient is φ = 70369448.

The previous prime is 142455553. The next prime is 142455611. The reversal of 142455556 is 655554241.

It is not an unprimeable number, because it can be changed into a prime (142455553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214210 + ... + 214873.

It is an arithmetic number, because the mean of its divisors is an integer number (21025116).

Almost surely, 2^142455556 is an apocalyptic number.

It is an amenable number.

142455556 is a deficient number, since it is larger than the sum of its proper divisors (109845836).

142455556 is a wasteful number, since it uses less digits than its factorization.

142455556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429170 (or 429168 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 142455556 is about 11935.4746868317. The cubic root of 142455556 is about 522.2676558295.

The spelling of 142455556 in words is "one hundred forty-two million, four hundred fifty-five thousand, five hundred fifty-six".