254401102420142 has 4 divisors (see below), whose sum is σ = 381601653630216. Its totient is φ = 127200551210070.

The previous prime is 254401102420117. The next prime is 254401102420163. The reversal of 254401102420142 is 241024201104452.

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

It is a junction number, because it is equal to n+sod(n) for n = 254401102420099 and 254401102420108.

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, 63600275605034 + ... + 63600275605037.

It is an arithmetic number, because the mean of its divisors is an integer number (95400413407554).

Almost surely, 2^{254401102420142} is an apocalyptic number.

254401102420142 is a deficient number, since it is larger than the sum of its proper divisors (127200551210074).

254401102420142 is a wasteful number, since it uses less digits than its factorization.

254401102420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127200551210073.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 254401102420142 its reverse (241024201104452), we get a palindrome (495425303524594).

The spelling of 254401102420142 in words is "two hundred fifty-four trillion, four hundred one billion, one hundred two million, four hundred twenty thousand, one hundred forty-two".