4056445157 has 4 divisors (see below), whose sum is σ = 4295059596. Its totient is φ = 3817830720.

The previous prime is 4056445103. The next prime is 4056445181. The reversal of 4056445157 is 7515446504.

4056445157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2678476516 + 1377968641 = 51754^2 + 37121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4056445157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056445187) 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, 119307194 + ... + 119307227.

It is an arithmetic number, because the mean of its divisors is an integer number (1073764899).

Almost surely, 2^4056445157 is an apocalyptic number.

It is an amenable number.

4056445157 is a deficient number, since it is larger than the sum of its proper divisors (238614439).

4056445157 is a wasteful number, since it uses less digits than its factorization.

4056445157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238614438.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 4056445157 is about 63690.2281123250. The cubic root of 4056445157 is about 1594.8329613498.

The spelling of 4056445157 in words is "four billion, fifty-six million, four hundred forty-five thousand, one hundred fifty-seven".