51143148 has 36 divisors (see below), whose sum is σ = 147747600. Its totient is φ = 14612256.

The previous prime is 51143137. The next prime is 51143159. The reversal of 51143148 is 84134115.

It is a happy number.

51143148 is a `hidden beast` number, since 511 + 4 + 3 + 148 = 666.

It is an interprime number because it is at equal distance from previous prime (51143137) and next prime (51143159).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101223 + ... + 101726.

It is an arithmetic number, because the mean of its divisors is an integer number (4104100).

Almost surely, 2^51143148 is an apocalyptic number.

It is an amenable number.

51143148 is an abundant number, since it is smaller than the sum of its proper divisors (96604452).

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

51143148 is a wasteful number, since it uses less digits than its factorization.

51143148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202966 (or 202961 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 51143148 is about 7151.4437703166. The cubic root of 51143148 is about 371.1896164078.

The spelling of 51143148 in words is "fifty-one million, one hundred forty-three thousand, one hundred forty-eight".