254542442 has 16 divisors (see below), whose sum is σ = 476027712. Its totient is φ = 99172320.

The previous prime is 254542439. The next prime is 254542451. The reversal of 254542442 is 244245452.

It is a junction number, because it is equal to n+sod(n) for n = 254542399 and 254542408.

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, 826283 + ... + 826590.

It is an arithmetic number, because the mean of its divisors is an integer number (29751732).

Almost surely, 2^254542442 is an apocalyptic number.

254542442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

254542442 is a deficient number, since it is larger than the sum of its proper divisors (221485270).

254542442 is a wasteful number, since it uses less digits than its factorization.

254542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652893.

The product of its digits is 51200, while the sum is 32.

The square root of 254542442 is about 15954.3862934304. The cubic root of 254542442 is about 633.7530592333.

Adding to 254542442 its reverse (244245452), we get a palindrome (498787894).

The spelling of 254542442 in words is "two hundred fifty-four million, five hundred forty-two thousand, four hundred forty-two".