542645254 has 8 divisors (see below), whose sum is σ = 814642560. Its totient is φ = 271097736.

The previous prime is 542645231. The next prime is 542645269. The reversal of 542645254 is 452546245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109414 + ... + 114265.

It is an arithmetic number, because the mean of its divisors is an integer number (101830320).

Almost surely, 2^542645254 is an apocalyptic number.

542645254 is a deficient number, since it is larger than the sum of its proper divisors (271997306).

542645254 is a wasteful number, since it uses less digits than its factorization.

542645254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224894.

The product of its digits is 192000, while the sum is 37.

The square root of 542645254 is about 23294.7473478465. The cubic root of 542645254 is about 815.6528092944.

Subtracting from 542645254 its reverse (452546245), we obtain a palindrome (90099009).

The spelling of 542645254 in words is "five hundred forty-two million, six hundred forty-five thousand, two hundred fifty-four".