642141246 has 8 divisors (see below), whose sum is σ = 1284282504. Its totient is φ = 214047080.

The previous prime is 642141239. The next prime is 642141251.

It is a happy number.

642141246 is nontrivially palindromic in base 10.

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

642141246 is an admirable number.

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, 53511765 + ... + 53511776.

It is an arithmetic number, because the mean of its divisors is an integer number (160535313).

Almost surely, 2^642141246 is an apocalyptic number.

642141246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

642141246 is a wasteful number, since it uses less digits than its factorization.

642141246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107023546.

The product of its digits is 9216, while the sum is 30.

The square root of 642141246 is about 25340.5060328321. The cubic root of 642141246 is about 862.7338842299.

The spelling of 642141246 in words is "six hundred forty-two million, one hundred forty-one thousand, two hundred forty-six".