61148 has 6 divisors (see below), whose sum is σ = 107016. Its totient is φ = 30572.

The previous prime is 61141. The next prime is 61151. The reversal of 61148 is 84116.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61141) by changing a digit.

61148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7640 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (17836).

2⁶¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

61148 is a deficient number, since it is larger than the sum of its proper divisors (45868).

61148 is a wasteful number, since it uses less digits than its factorization.

61148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291 (or 15289 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 61148 is about 247.2812164318. The cubic root of 61148 is about 39.3967822705.

The spelling of 61148 in words is "sixty-one thousand, one hundred forty-eight".