226161545 has 8 divisors (see below), whose sum is σ = 272580360. Its totient is φ = 180138240.

The previous prime is 226161499. The next prime is 226161569. The reversal of 226161545 is 545161622.

It can be written as a sum of positive squares in 4 ways, for example, as 28590409 + 197571136 = 5347^2 + 14056^2 .

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

It is not a de Polignac number, because 226161545 - 2¹⁶ = 226096009 is a prime.

It is a super-2 number, since 2×226161545² = 102298088873574050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97616 + ... + 99905.

It is an arithmetic number, because the mean of its divisors is an integer number (34072545).

Almost surely, 2^226161545 is an apocalyptic number.

It is an amenable number.

226161545 is a deficient number, since it is larger than the sum of its proper divisors (46418815).

226161545 is a wasteful number, since it uses less digits than its factorization.

226161545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197755.

The product of its digits is 14400, while the sum is 32.

The square root of 226161545 is about 15038.6683253538. The cubic root of 226161545 is about 609.2650334814.

The spelling of 226161545 in words is "two hundred twenty-six million, one hundred sixty-one thousand, five hundred forty-five".