249016142 has 16 divisors (see below), whose sum is σ = 385238832. Its totient is φ = 120631680.

The previous prime is 249016133. The next prime is 249016151. The reversal of 249016142 is 241610942.

It is an interprime number because it is at equal distance from previous prime (249016133) and next prime (249016151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10853 + ... + 24815.

It is an arithmetic number, because the mean of its divisors is an integer number (24077427).

Almost surely, 2^249016142 is an apocalyptic number.

249016142 is a deficient number, since it is larger than the sum of its proper divisors (136222690).

249016142 is a wasteful number, since it uses less digits than its factorization.

249016142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 249016142 is about 15780.2453086129. The cubic root of 249016142 is about 629.1330495690.

The spelling of 249016142 in words is "two hundred forty-nine million, sixteen thousand, one hundred forty-two".