2345143986 has 96 divisors (see below), whose sum is σ = 5662725120. Its totient is φ = 698544000.

The previous prime is 2345143981. The next prime is 2345143991. The reversal of 2345143986 is 6893415432.

2345143986 is a `hidden beast` number, since 23 + 4 + 514 + 39 + 86 = 666.

It is an interprime number because it is at equal distance from previous prime (2345143981) and next prime (2345143991).

It is not an unprimeable number, because it can be changed into a prime (2345143981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369036 + ... + 375336.

It is an arithmetic number, because the mean of its divisors is an integer number (58986720).

Almost surely, 2^2345143986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345143986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831362560).

2345143986 is an abundant number, since it is smaller than the sum of its proper divisors (3317581134).

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

2345143986 is a wasteful number, since it uses less digits than its factorization.

2345143986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6389 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 2345143986 is about 48426.6867130098. The cubic root of 2345143986 is about 1328.5865070485.

The spelling of 2345143986 in words is "two billion, three hundred forty-five million, one hundred forty-three thousand, nine hundred eighty-six".