142907648 has 72 divisors (see below), whose sum is σ = 320728128. Its totient is φ = 63055872.

The previous prime is 142907629. The next prime is 142907651. The reversal of 142907648 is 846709241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75611 + ... + 77477.

Almost surely, 2^142907648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142907648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160364064).

142907648 is an abundant number, since it is smaller than the sum of its proper divisors (177820480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142907648 is a wasteful number, since it uses less digits than its factorization.

142907648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 142907648 is about 11954.3986883490. The cubic root of 142907648 is about 522.8195559022.

The spelling of 142907648 in words is "one hundred forty-two million, nine hundred seven thousand, six hundred forty-eight".