142855496 has 16 divisors (see below), whose sum is σ = 306119040. Its totient is φ = 61223760.

The previous prime is 142855487. The next prime is 142855499. The reversal of 142855496 is 694558241.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142855499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275440 + ... + 1275551.

It is an arithmetic number, because the mean of its divisors is an integer number (19132440).

Almost surely, 2^142855496 is an apocalyptic number.

It is an amenable number.

142855496 is an abundant number, since it is smaller than the sum of its proper divisors (163263544).

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

142855496 is a wasteful number, since it uses less digits than its factorization.

142855496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551004 (or 2551000 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 142855496 is about 11952.2172001683. The cubic root of 142855496 is about 522.7559497824.

The spelling of 142855496 in words is "one hundred forty-two million, eight hundred fifty-five thousand, four hundred ninety-six".