61445338 has 8 divisors (see below), whose sum is σ = 93907188. Its totient is φ = 30142944.

The previous prime is 61445303. The next prime is 61445339. The reversal of 61445338 is 83354416.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58476609 + 2968729 = 7647^2 + 1723^2 .

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 (61445339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289731 + ... + 289942.

Almost surely, 2^61445338 is an apocalyptic number.

61445338 is a deficient number, since it is larger than the sum of its proper divisors (32461850).

61445338 is a wasteful number, since it uses less digits than its factorization.

61445338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579728.

The product of its digits is 34560, while the sum is 34.

The square root of 61445338 is about 7838.7076741004. The cubic root of 61445338 is about 394.6053592009.

The spelling of 61445338 in words is "sixty-one million, four hundred forty-five thousand, three hundred thirty-eight".