142280300 has 36 divisors (see below), whose sum is σ = 322177296. Its totient is φ = 54436800.

The previous prime is 142280273. The next prime is 142280309. The reversal of 142280300 is 3082241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (142280309) 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 11 ways as a sum of consecutive naturals, for example, 28631 + ... + 33230.

Almost surely, 2^142280300 is an apocalyptic number.

142280300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142280300 is an abundant number, since it is smaller than the sum of its proper divisors (179896996).

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

142280300 is a wasteful number, since it uses less digits than its factorization.

142280300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61898 (or 61891 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142280300 is about 11928.1306163204. The cubic root of 142280300 is about 522.0533946155.

The spelling of 142280300 in words is "one hundred forty-two million, two hundred eighty thousand, three hundred".