142265280 has 56 divisors (see below), whose sum is σ = 451695312. Its totient is φ = 37937152.

The previous prime is 142265257. The next prime is 142265317. The reversal of 142265280 is 82562241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73137 + ... + 75056.

Almost surely, 2^142265280 is an apocalyptic number.

142265280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142265280 is an abundant number, since it is smaller than the sum of its proper divisors (309430032).

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

142265280 is a wasteful number, since it uses less digits than its factorization.

142265280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148213 (or 148203 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 142265280 is about 11927.5009955984. The cubic root of 142265280 is about 522.0350235598.

The spelling of 142265280 in words is "one hundred forty-two million, two hundred sixty-five thousand, two hundred eighty".