43229157 has 8 divisors (see below), whose sum is σ = 57704640. Its totient is φ = 28786560.

The previous prime is 43229141. The next prime is 43229171. The reversal of 43229157 is 75192234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43229157 - 2⁴ = 43229141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43229257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4969 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (7213080).

Almost surely, 2^43229157 is an apocalyptic number.

It is an amenable number.

43229157 is a deficient number, since it is larger than the sum of its proper divisors (14475483).

43229157 is a wasteful number, since it uses less digits than its factorization.

43229157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443.

The product of its digits is 15120, while the sum is 33.

The square root of 43229157 is about 6574.8883640713. Note that the first 3 decimals coincide. The cubic root of 43229157 is about 350.9610511891.

The spelling of 43229157 in words is "forty-three million, two hundred twenty-nine thousand, one hundred fifty-seven".