61301148 has 12 divisors (see below), whose sum is σ = 143036040. Its totient is φ = 20433712.

The previous prime is 61301147. The next prime is 61301159. The reversal of 61301148 is 84110316.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×61301148² = 7515661492235808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61301147) 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, 2554203 + ... + 2554226.

It is an arithmetic number, because the mean of its divisors is an integer number (11919670).

Almost surely, 2^61301148 is an apocalyptic number.

It is an amenable number.

61301148 is an abundant number, since it is smaller than the sum of its proper divisors (81734892).

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

61301148 is a wasteful number, since it uses less digits than its factorization.

61301148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108436 (or 5108434 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 61301148 is about 7829.5049651942. The cubic root of 61301148 is about 394.2964520585.

The spelling of 61301148 in words is "sixty-one million, three hundred one thousand, one hundred forty-eight".