142227486 has 24 divisors (see below), whose sum is σ = 310517064. Its totient is φ = 47046480.

The previous prime is 142227467. The next prime is 142227517. The reversal of 142227486 is 684722241.

It is a self number, because there is not a number n which added to its sum of digits gives 142227486.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 27801 + ... + 32516.

It is an arithmetic number, because the mean of its divisors is an integer number (12938211).

Almost surely, 2^142227486 is an apocalyptic number.

142227486 is an abundant number, since it is smaller than the sum of its proper divisors (168289578).

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

142227486 is a wasteful number, since it uses less digits than its factorization.

142227486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60456 (or 60453 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 142227486 is about 11925.9165685494. The cubic root of 142227486 is about 521.9887917618.

The spelling of 142227486 in words is "one hundred forty-two million, two hundred twenty-seven thousand, four hundred eighty-six".