61449146 has 16 divisors (see below), whose sum is σ = 104925888. Its totient is φ = 26716800.

The previous prime is 61449131. The next prime is 61449187. The reversal of 61449146 is 64194416.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60215 + ... + 61226.

It is an arithmetic number, because the mean of its divisors is an integer number (6557868).

Almost surely, 2^61449146 is an apocalyptic number.

61449146 is a deficient number, since it is larger than the sum of its proper divisors (43476742).

61449146 is a wasteful number, since it uses less digits than its factorization.

61449146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121477.

The product of its digits is 20736, while the sum is 35.

The square root of 61449146 is about 7838.9505675186. The cubic root of 61449146 is about 394.6135107614.

The spelling of 61449146 in words is "sixty-one million, four hundred forty-nine thousand, one hundred forty-six".