64019148 has 12 divisors (see below), whose sum is σ = 149378040. Its totient is φ = 21339712.

The previous prime is 64019147. The next prime is 64019149. The reversal of 64019148 is 84191046.

It is an interprime number because it is at equal distance from previous prime (64019147) and next prime (64019149).

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

It is not an unprimeable number, because it can be changed into a prime (64019147) 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, 2667453 + ... + 2667476.

It is an arithmetic number, because the mean of its divisors is an integer number (12448170).

Almost surely, 2^64019148 is an apocalyptic number.

It is an amenable number.

64019148 is an abundant number, since it is smaller than the sum of its proper divisors (85358892).

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

64019148 is a wasteful number, since it uses less digits than its factorization.

64019148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334936 (or 5334934 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 64019148 is about 8001.1966605002. The cubic root of 64019148 is about 400.0398876890.

The spelling of 64019148 in words is "sixty-four million, nineteen thousand, one hundred forty-eight".