142937280 has 168 divisors, whose sum is σ = 507821184. Its totient is φ = 36864000.

The previous prime is 142937269. The next prime is 142937303. The reversal of 142937280 is 82739241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88480 + ... + 90080.

Almost surely, 2^142937280 is an apocalyptic number.

142937280 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 142937280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253910592).

142937280 is an abundant number, since it is smaller than the sum of its proper divisors (364883904).

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

142937280 is a wasteful number, since it uses less digits than its factorization.

142937280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 142937280 is about 11955.6380005418. The cubic root of 142937280 is about 522.8556890708.

The spelling of 142937280 in words is "one hundred forty-two million, nine hundred thirty-seven thousand, two hundred eighty".