142245486 has 12 divisors (see below), whose sum is σ = 308198592. Its totient is φ = 47415156.

The previous prime is 142245463. The next prime is 142245487. The reversal of 142245486 is 684542241.

It is a self number, because there is not a number n which added to its sum of digits gives 142245486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142245487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3951246 + ... + 3951281.

It is an arithmetic number, because the mean of its divisors is an integer number (25683216).

Almost surely, 2^142245486 is an apocalyptic number.

142245486 is an abundant number, since it is smaller than the sum of its proper divisors (165953106).

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

142245486 is a wasteful number, since it uses less digits than its factorization.

142245486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902535 (or 7902532 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 142245486 is about 11926.6712036511. The cubic root of 142245486 is about 522.0108114201.

The spelling of 142245486 in words is "one hundred forty-two million, two hundred forty-five thousand, four hundred eighty-six".