61545214 has 16 divisors (see below), whose sum is σ = 94227840. Its totient is φ = 30141720.

The previous prime is 61545203. The next prime is 61545227. The reversal of 61545214 is 41254516.

It is a congruent number.

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, 21817 + ... + 24475.

It is an arithmetic number, because the mean of its divisors is an integer number (5889240).

Almost surely, 2^61545214 is an apocalyptic number.

61545214 is a deficient number, since it is larger than the sum of its proper divisors (32682626).

61545214 is a wasteful number, since it uses less digits than its factorization.

61545214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its digits is 4800, while the sum is 28.

The square root of 61545214 is about 7845.0757803861. The cubic root of 61545214 is about 394.8190465291.

The spelling of 61545214 in words is "sixty-one million, five hundred forty-five thousand, two hundred fourteen".