338157442 has 16 divisors (see below), whose sum is σ = 588352320. Its totient is φ = 142761168.

The previous prime is 338157427. The next prime is 338157473. The reversal of 338157442 is 244751833.

It is a happy number.

It is a super-2 number, since 2×338157442² = 228700911159966728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179317 + ... + 181192.

It is an arithmetic number, because the mean of its divisors is an integer number (36772020).

Almost surely, 2^338157442 is an apocalyptic number.

338157442 is a deficient number, since it is larger than the sum of its proper divisors (250194878).

338157442 is a wasteful number, since it uses less digits than its factorization.

338157442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360585.

The product of its digits is 80640, while the sum is 37.

The square root of 338157442 is about 18389.0576702560. The cubic root of 338157442 is about 696.6901170600.

The spelling of 338157442 in words is "three hundred thirty-eight million, one hundred fifty-seven thousand, four hundred forty-two".