254521315342 has 24 divisors (see below), whose sum is σ = 448692232464. Its totient is φ = 107956017792.

The previous prime is 254521315337. The next prime is 254521315409. The reversal of 254521315342 is 243513125452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13377898 + ... + 13396909.

It is an arithmetic number, because the mean of its divisors is an integer number (18695509686).

Almost surely, 2^254521315342 is an apocalyptic number.

254521315342 is a deficient number, since it is larger than the sum of its proper divisors (194170917122).

254521315342 is a wasteful number, since it uses less digits than its factorization.

254521315342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26774920 (or 26774913 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 254521315342 in words is "two hundred fifty-four billion, five hundred twenty-one million, three hundred fifteen thousand, three hundred forty-two".