254618942 has 4 divisors (see below), whose sum is σ = 381928416. Its totient is φ = 127309470.

The previous prime is 254618939. The next prime is 254618957. The reversal of 254618942 is 249816452.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 254618942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63654734 + ... + 63654737.

It is an arithmetic number, because the mean of its divisors is an integer number (95482104).

Almost surely, 2^254618942 is an apocalyptic number.

254618942 is a deficient number, since it is larger than the sum of its proper divisors (127309474).

254618942 is a wasteful number, since it uses less digits than its factorization.

254618942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127309473.

The product of its digits is 138240, while the sum is 41.

The square root of 254618942 is about 15956.7835731390. The cubic root of 254618942 is about 633.8165421016.

The spelling of 254618942 in words is "two hundred fifty-four million, six hundred eighteen thousand, nine hundred forty-two".