47343157 has 4 divisors (see below), whose sum is σ = 47374720. Its totient is φ = 47311596.

The previous prime is 47343143. The next prime is 47343209. The reversal of 47343157 is 75134374.

47343157 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47343157 - 2²³ = 38954549 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 (47343557) 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 3 ways as a sum of consecutive naturals, for example, 13413 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (11843680).

Almost surely, 2^47343157 is an apocalyptic number.

It is an amenable number.

47343157 is a deficient number, since it is larger than the sum of its proper divisors (31563).

47343157 is a wasteful number, since it uses less digits than its factorization.

47343157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31562.

The product of its digits is 35280, while the sum is 34.

The square root of 47343157 is about 6880.6363804520. The cubic root of 47343157 is about 361.7587726744.

The spelling of 47343157 in words is "forty-seven million, three hundred forty-three thousand, one hundred fifty-seven".