254178942 has 8 divisors (see below), whose sum is σ = 508357896. Its totient is φ = 84726312.

The previous prime is 254178931. The next prime is 254178949. The reversal of 254178942 is 249871452.

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

254178942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 254178894 and 254178903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254178949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21181573 + ... + 21181584.

It is an arithmetic number, because the mean of its divisors is an integer number (63544737).

Almost surely, 2^254178942 is an apocalyptic number.

254178942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

254178942 is a wasteful number, since it uses less digits than its factorization.

254178942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42363162.

The product of its digits is 161280, while the sum is 42.

The square root of 254178942 is about 15942.9903719472. The cubic root of 254178942 is about 633.4512379443.

The spelling of 254178942 in words is "two hundred fifty-four million, one hundred seventy-eight thousand, nine hundred forty-two".