47003157 has 6 divisors (see below), whose sum is σ = 67893462. Its totient is φ = 31335432.

The previous prime is 47003153. The next prime is 47003213. The reversal of 47003157 is 75130074.

47003157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26563716 + 20439441 = 5154^2 + 4521^2 .

It is not a de Polignac number, because 47003157 - 2² = 47003153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47003157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47003153) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2611278 + ... + 2611295.

It is an arithmetic number, because the mean of its divisors is an integer number (11315577).

Almost surely, 2^47003157 is an apocalyptic number.

It is an amenable number.

47003157 is a deficient number, since it is larger than the sum of its proper divisors (20890305).

47003157 is a wasteful number, since it uses less digits than its factorization.

47003157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222579 (or 5222576 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 47003157 is about 6855.8848444238. The cubic root of 47003157 is about 360.8906880201.

The spelling of 47003157 in words is "forty-seven million, three thousand, one hundred fifty-seven".