142248980 has 24 divisors (see below), whose sum is σ = 302507520. Its totient is φ = 56178720.

The previous prime is 142248971. The next prime is 142248989. The reversal of 142248980 is 89842241.

It is an interprime number because it is at equal distance from previous prime (142248971) and next prime (142248989).

It is a super-3 number, since 3×142248980³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142248989) 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 7 ways as a sum of consecutive naturals, for example, 43436 + ... + 46595.

It is an arithmetic number, because the mean of its divisors is an integer number (12604480).

Almost surely, 2^142248980 is an apocalyptic number.

142248980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142248980 is an abundant number, since it is smaller than the sum of its proper divisors (160258540).

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

142248980 is a wasteful number, since it uses less digits than its factorization.

142248980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90119 (or 90117 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 142248980 is about 11926.8176811755. The cubic root of 142248980 is about 522.0150854651.

The spelling of 142248980 in words is "one hundred forty-two million, two hundred forty-eight thousand, nine hundred eighty".