254012145542 has 16 divisors (see below), whose sum is σ = 381532250112. Its totient is φ = 126834792840.

The previous prime is 254012145493. The next prime is 254012145553. The reversal of 254012145542 is 245541210452.

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, 9959867 + ... + 9985337.

It is an arithmetic number, because the mean of its divisors is an integer number (23845765632).

Almost surely, 2^254012145542 is an apocalyptic number.

254012145542 is a deficient number, since it is larger than the sum of its proper divisors (127520104570).

254012145542 is a wasteful number, since it uses less digits than its factorization.

254012145542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32003.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 254012145542 its reverse (245541210452), we get a palindrome (499553355994).

The spelling of 254012145542 in words is "two hundred fifty-four billion, twelve million, one hundred forty-five thousand, five hundred forty-two".