249088142 has 8 divisors (see below), whose sum is σ = 373977336. Its totient is φ = 124429032.

The previous prime is 249088129. The next prime is 249088153. The reversal of 249088142 is 241880942.

249088142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 249088096 and 249088105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54788 + ... + 59159.

It is an arithmetic number, because the mean of its divisors is an integer number (46747167).

Almost surely, 2^249088142 is an apocalyptic number.

249088142 is a deficient number, since it is larger than the sum of its proper divisors (124889194).

249088142 is a wasteful number, since it uses less digits than its factorization.

249088142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115042.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 249088142 is about 15782.5264770885. The cubic root of 249088142 is about 629.1936791252.

The spelling of 249088142 in words is "two hundred forty-nine million, eighty-eight thousand, one hundred forty-two".