254204045542 has 4 divisors (see below), whose sum is σ = 381306068316. Its totient is φ = 127102022770.

The previous prime is 254204045479. The next prime is 254204045569. The reversal of 254204045542 is 245540402452.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63551011384 + ... + 63551011387.

It is an arithmetic number, because the mean of its divisors is an integer number (95326517079).

Almost surely, 2^254204045542 is an apocalyptic number.

254204045542 is a deficient number, since it is larger than the sum of its proper divisors (127102022774).

254204045542 is a wasteful number, since it uses less digits than its factorization.

254204045542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127102022773.

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 254204045542 its reverse (245540402452), we get a palindrome (499744447994).

The spelling of 254204045542 in words is "two hundred fifty-four billion, two hundred four million, forty-five thousand, five hundred forty-two".