142370280 has 192 divisors, whose sum is σ = 515970000. Its totient is φ = 33804288.

The previous prime is 142370273. The next prime is 142370297. The reversal of 142370280 is 82073241.

142370280 is a `hidden beast` number, since 14 + 2 + 370 + 280 = 666.

142370280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 68856804 + 73513476 = 8298^2 + 8574^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135196 + ... + 136244.

Almost surely, 2^142370280 is an apocalyptic number.

142370280 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 142370280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257985000).

142370280 is an abundant number, since it is smaller than the sum of its proper divisors (373599720).

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

142370280 is a wasteful number, since it uses less digits than its factorization.

142370280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142370280 is about 11931.9017763305. The cubic root of 142370280 is about 522.1634226505.

The spelling of 142370280 in words is "one hundred forty-two million, three hundred seventy thousand, two hundred eighty".