2261544146 has 8 divisors (see below), whose sum is σ = 3392932860. Its totient is φ = 1130566528.

The previous prime is 2261544121. The next prime is 2261544191. The reversal of 2261544146 is 6414451622.

It can be written as a sum of positive squares in 2 ways, for example, as 2008384225 + 253159921 = 44815^2 + 15911^2 .

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

It is a super-2 number, since 2×2261544146² = 10229163848613738632, 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, 88631 + ... + 111258.

Almost surely, 2^2261544146 is an apocalyptic number.

2261544146 is a deficient number, since it is larger than the sum of its proper divisors (1131388714).

2261544146 is a wasteful number, since it uses less digits than its factorization.

2261544146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205548.

The product of its digits is 46080, while the sum is 35.

The square root of 2261544146 is about 47555.6952004699. The cubic root of 2261544146 is about 1312.6079286726.

Adding to 2261544146 its reverse (6414451622), we get a palindrome (8675995768).

The spelling of 2261544146 in words is "two billion, two hundred sixty-one million, five hundred forty-four thousand, one hundred forty-six".