61145322 has 16 divisors (see below), whose sum is σ = 139760832. Its totient is φ = 17470080.

The previous prime is 61145303. The next prime is 61145323. The reversal of 61145322 is 22354116.

It is a junction number, because it is equal to n+sod(n) for n = 61145292 and 61145301.

It is not an unprimeable number, because it can be changed into a prime (61145323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727879 + ... + 727962.

It is an arithmetic number, because the mean of its divisors is an integer number (8735052).

Almost surely, 2^61145322 is an apocalyptic number.

61145322 is an abundant number, since it is smaller than the sum of its proper divisors (78615510).

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

61145322 is a wasteful number, since it uses less digits than its factorization.

61145322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455853.

The product of its digits is 1440, while the sum is 24.

The square root of 61145322 is about 7819.5474293593. The cubic root of 61145322 is about 393.9620712971.

Adding to 61145322 its reverse (22354116), we get a palindrome (83499438).

The spelling of 61145322 in words is "sixty-one million, one hundred forty-five thousand, three hundred twenty-two".