4256145002 has 16 divisors (see below), whose sum is σ = 6569703720. Its totient is φ = 2066470848.

The previous prime is 4256144993. The next prime is 4256145011. The reversal of 4256145002 is 2005416524.

It is an interprime number because it is at equal distance from previous prime (4256144993) and next prime (4256145011).

It can be written as a sum of positive squares in 4 ways, for example, as 4231632601 + 24512401 = 65051^2 + 4951^2 .

It is a super-2 number, since 2×4256145002² = 36229540556099160008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18833 + ... + 94164.

Almost surely, 2^4256145002 is an apocalyptic number.

4256145002 is a deficient number, since it is larger than the sum of its proper divisors (2313558718).

4256145002 is a wasteful number, since it uses less digits than its factorization.

4256145002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113545.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4256145002 is about 65239.1370421161. The cubic root of 4256145002 is about 1620.5862078583.

The spelling of 4256145002 in words is "four billion, two hundred fifty-six million, one hundred forty-five thousand, two".