254142454502 has 16 divisors (see below), whose sum is σ = 409815383040. Its totient is φ = 117821920968.

The previous prime is 254142454487. The next prime is 254142454523. The reversal of 254142454502 is 205454241452.

It is a super-2 number, since 2×254142454502² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 71146718 + ... + 71150289.

It is an arithmetic number, because the mean of its divisors is an integer number (25613461440).

Almost surely, 2^254142454502 is an apocalyptic number.

254142454502 is a deficient number, since it is larger than the sum of its proper divisors (155672928538).

254142454502 is a wasteful number, since it uses less digits than its factorization.

254142454502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142297075.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 254142454502 its reverse (205454241452), we get a palindrome (459596695954).

The spelling of 254142454502 in words is "two hundred fifty-four billion, one hundred forty-two million, four hundred fifty-four thousand, five hundred two".