142581416 has 32 divisors (see below), whose sum is σ = 279599040. Its totient is φ = 68035968.

The previous prime is 142581407. The next prime is 142581433. The reversal of 142581416 is 614185241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151700 + ... + 152636.

It is an arithmetic number, because the mean of its divisors is an integer number (8737470).

Almost surely, 2^142581416 is an apocalyptic number.

It is an amenable number.

142581416 is a deficient number, since it is larger than the sum of its proper divisors (137017624).

142581416 is a wasteful number, since it uses less digits than its factorization.

142581416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1789 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 142581416 is about 11940.7460403444. The cubic root of 142581416 is about 522.4214190105.

The spelling of 142581416 in words is "one hundred forty-two million, five hundred eighty-one thousand, four hundred sixteen".