142538846 has 12 divisors (see below), whose sum is σ = 227125968. Its totient is φ = 67076832.

The previous prime is 142538839. The next prime is 142538849. The reversal of 142538846 is 648835241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142538849) 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, 122726 + ... + 123881.

It is an arithmetic number, because the mean of its divisors is an integer number (18927164).

Almost surely, 2^142538846 is an apocalyptic number.

142538846 is a deficient number, since it is larger than the sum of its proper divisors (84587122).

142538846 is a wasteful number, since it uses less digits than its factorization.

142538846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246643 (or 246626 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 142538846 is about 11938.9633553337. The cubic root of 142538846 is about 522.3694213657.

The spelling of 142538846 in words is "one hundred forty-two million, five hundred thirty-eight thousand, eight hundred forty-six".