61450345 has 8 divisors (see below), whose sum is σ = 80444160. Its totient is φ = 44691120.

The previous prime is 61450343. The next prime is 61450399. The reversal of 61450345 is 54305416.

61450345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61450345 - 2¹ = 61450343 is a prime.

It is a super-2 number, since 2×61450345² = 7552289801238050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61450343) 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 7 ways as a sum of consecutive naturals, for example, 558585 + ... + 558694.

It is an arithmetic number, because the mean of its divisors is an integer number (10055520).

Almost surely, 2^61450345 is an apocalyptic number.

It is an amenable number.

61450345 is a deficient number, since it is larger than the sum of its proper divisors (18993815).

61450345 is a wasteful number, since it uses less digits than its factorization.

61450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117295.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 61450345 is about 7839.0270442192. The cubic root of 61450345 is about 394.6160773201.

Subtracting from 61450345 its reverse (54305416), we obtain a square (7144929 = 2673²).

The spelling of 61450345 in words is "sixty-one million, four hundred fifty thousand, three hundred forty-five".