641262146 has 8 divisors (see below), whose sum is σ = 1099306560. Its totient is φ = 274826628.

The previous prime is 641262137. The next prime is 641262229.

641262146 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×641262146² = 822434279785050632, which contains 22 as substring.

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, 22902206 + ... + 22902233.

It is an arithmetic number, because the mean of its divisors is an integer number (137413320).

Almost surely, 2^641262146 is an apocalyptic number.

641262146 is a deficient number, since it is larger than the sum of its proper divisors (458044414).

641262146 is a wasteful number, since it uses less digits than its factorization.

641262146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45804448.

The product of its digits is 13824, while the sum is 32.

The square root of 641262146 is about 25323.1543453812. The cubic root of 641262146 is about 862.3400063379.

The spelling of 641262146 in words is "six hundred forty-one million, two hundred sixty-two thousand, one hundred forty-six".