61545226 has 8 divisors (see below), whose sum is σ = 92500740. Its totient is φ = 30711648.

The previous prime is 61545203. The next prime is 61545227. The reversal of 61545226 is 62254516.

61545226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56927025 + 4618201 = 7545^2 + 2149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61545227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29211 + ... + 31246.

Almost surely, 2^61545226 is an apocalyptic number.

61545226 is a deficient number, since it is larger than the sum of its proper divisors (30955514).

61545226 is a wasteful number, since it uses less digits than its factorization.

61545226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60968.

The product of its digits is 14400, while the sum is 31.

The square root of 61545226 is about 7845.0765451970. The cubic root of 61545226 is about 394.8190721895.

The spelling of 61545226 in words is "sixty-one million, five hundred forty-five thousand, two hundred twenty-six".