2251386148 has 24 divisors (see below), whose sum is σ = 4300208640. Its totient is φ = 1022855520.

The previous prime is 2251386139. The next prime is 2251386157. The reversal of 2251386148 is 8416831522.

It is an interprime number because it is at equal distance from previous prime (2251386139) and next prime (2251386157).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2251386148.

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 in 7 ways as a sum of consecutive naturals, for example, 87090 + ... + 109942.

It is an arithmetic number, because the mean of its divisors is an integer number (179175360).

Almost surely, 2^2251386148 is an apocalyptic number.

It is an amenable number.

2251386148 is a deficient number, since it is larger than the sum of its proper divisors (2048822492).

2251386148 is a wasteful number, since it uses less digits than its factorization.

2251386148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25107 (or 25105 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 2251386148 is about 47448.7739356877. The cubic root of 2251386148 is about 1310.6397333782.

The spelling of 2251386148 in words is "two billion, two hundred fifty-one million, three hundred eighty-six thousand, one hundred forty-eight".