578261142 has 24 divisors (see below), whose sum is σ = 1253346120. Its totient is φ = 192684960.

The previous prime is 578261129. The next prime is 578261149. The reversal of 578261142 is 241162875.

It is a junction number, because it is equal to n+sod(n) for n = 578261097 and 578261106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578261149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84717 + ... + 91287.

It is an arithmetic number, because the mean of its divisors is an integer number (52222755).

Almost surely, 2^578261142 is an apocalyptic number.

578261142 is an abundant number, since it is smaller than the sum of its proper divisors (675084978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

578261142 is a wasteful number, since it uses less digits than its factorization.

578261142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11468 (or 11465 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 578261142 is about 24047.0609846609. The cubic root of 578261142 is about 833.1208495409.

The spelling of 578261142 in words is "five hundred seventy-eight million, two hundred sixty-one thousand, one hundred forty-two".