61830148 has 6 divisors (see below), whose sum is σ = 108202766. Its totient is φ = 30915072.

The previous prime is 61830133. The next prime is 61830163. The reversal of 61830148 is 84103816.

61830148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61830133) and next prime (61830163).

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 23116864 = 6222^2 + 4808^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7728765 + ... + 7728772.

Almost surely, 2^61830148 is an apocalyptic number.

It is an amenable number.

61830148 is a deficient number, since it is larger than the sum of its proper divisors (46372618).

61830148 is a wasteful number, since it uses less digits than its factorization.

61830148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15457541 (or 15457539 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 61830148 is about 7863.2148641634. The cubic root of 61830148 is about 395.4274025626.

The spelling of 61830148 in words is "sixty-one million, eight hundred thirty thousand, one hundred forty-eight".