280148142 has 32 divisors (see below), whose sum is σ = 595703808. Its totient is φ = 87634976.

The previous prime is 280148137. The next prime is 280148171. The reversal of 280148142 is 241841082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11838 + ... + 26465.

It is an arithmetic number, because the mean of its divisors is an integer number (18615744).

Almost surely, 2^280148142 is an apocalyptic number.

280148142 is an abundant number, since it is smaller than the sum of its proper divisors (315555666).

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

280148142 is a wasteful number, since it uses less digits than its factorization.

280148142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38384.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 280148142 is about 16737.6265342491. The cubic root of 280148142 is about 654.3286184353.

The spelling of 280148142 in words is "two hundred eighty million, one hundred forty-eight thousand, one hundred forty-two".