142896446 has 48 divisors (see below), whose sum is σ = 275985792. Its totient is φ = 54860400.

The previous prime is 142896433. The next prime is 142896449. The reversal of 142896446 is 644698241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142896397 and 142896406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142896449) 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 23 ways as a sum of consecutive naturals, for example, 75605 + ... + 77471.

It is an arithmetic number, because the mean of its divisors is an integer number (5749704).

Almost surely, 2^142896446 is an apocalyptic number.

142896446 is a deficient number, since it is larger than the sum of its proper divisors (133089346).

142896446 is a wasteful number, since it uses less digits than its factorization.

142896446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1958 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 142896446 is about 11953.9301487001. The cubic root of 142896446 is about 522.8058949172.

The spelling of 142896446 in words is "one hundred forty-two million, eight hundred ninety-six thousand, four hundred forty-six".