142486920 has 96 divisors (see below), whose sum is σ = 466216920. Its totient is φ = 37739520.

The previous prime is 142486919. The next prime is 142486921. The reversal of 142486920 is 29684241.

It is an interprime number because it is at equal distance from previous prime (142486919) and next prime (142486921).

It can be written as a sum of positive squares in 4 ways, for example, as 48358116 + 94128804 = 6954^2 + 9702^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142486921) 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, 55260 + ... + 57780.

Almost surely, 2^142486920 is an apocalyptic number.

142486920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142486920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233108460).

142486920 is an abundant number, since it is smaller than the sum of its proper divisors (323730000).

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

142486920 is a wasteful number, since it uses less digits than its factorization.

142486920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 142486920 is about 11936.7885128287. The cubic root of 142486920 is about 522.3059817028.

The spelling of 142486920 in words is "one hundred forty-two million, four hundred eighty-six thousand, nine hundred twenty".