61243148 has 6 divisors (see below), whose sum is σ = 107175516. Its totient is φ = 30621572.

The previous prime is 61243139. The next prime is 61243183. The reversal of 61243148 is 84134216.

It is a self number, because there is not a number n which added to its sum of digits gives 61243148.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7655390 + ... + 7655397.

It is an arithmetic number, because the mean of its divisors is an integer number (17862586).

Almost surely, 2^61243148 is an apocalyptic number.

It is an amenable number.

61243148 is a deficient number, since it is larger than the sum of its proper divisors (45932368).

61243148 is a wasteful number, since it uses less digits than its factorization.

61243148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310791 (or 15310789 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 61243148 is about 7825.8001507833. The cubic root of 61243148 is about 394.1720584633.

The spelling of 61243148 in words is "sixty-one million, two hundred forty-three thousand, one hundred forty-eight".