61303144 has 32 divisors (see below), whose sum is σ = 132048000. Its totient is φ = 26136000.

The previous prime is 61303141. The next prime is 61303237. The reversal of 61303144 is 44130316.

It is not an unprimeable number, because it can be changed into a prime (61303141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8394 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (4126500).

Almost surely, 2^61303144 is an apocalyptic number.

It is an amenable number.

61303144 is an abundant number, since it is smaller than the sum of its proper divisors (70744856).

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

61303144 is a wasteful number, since it uses less digits than its factorization.

61303144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713 (or 5709 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 61303144 is about 7829.6324307084. The cubic root of 61303144 is about 394.3007315171.

The spelling of 61303144 in words is "sixty-one million, three hundred three thousand, one hundred forty-four".