142446488 has 32 divisors (see below), whose sum is σ = 276447360. Its totient is φ = 68739840.

The previous prime is 142446481. The next prime is 142446517. The reversal of 142446488 is 884644241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142446481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151556 + ... + 152492.

It is an arithmetic number, because the mean of its divisors is an integer number (8638980).

Almost surely, 2^142446488 is an apocalyptic number.

It is an amenable number.

142446488 is a deficient number, since it is larger than the sum of its proper divisors (134000872).

142446488 is a wasteful number, since it uses less digits than its factorization.

142446488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1583 counting only the distinct ones).

The product of its digits is 196608, while the sum is 41.

The square root of 142446488 is about 11935.0948048183. The cubic root of 142446488 is about 522.2565739554.

The spelling of 142446488 in words is "one hundred forty-two million, four hundred forty-six thousand, four hundred eighty-eight".