4157235 has 12 divisors (see below), whose sum is σ = 7205952. Its totient is φ = 2217168.

The previous prime is 4157213. The next prime is 4157239. The reversal of 4157235 is 5327514.

It is a happy number.

It is not a de Polignac number, because 4157235 - 2⁶ = 4157171 is a prime.

It is a super-4 number, since 4×4157235⁴ (a number of 28 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4157199 and 4157208.

It is not an unprimeable number, because it can be changed into a prime (4157239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46147 + ... + 46236.

It is an arithmetic number, because the mean of its divisors is an integer number (600496).

Almost surely, 2^4157235 is an apocalyptic number.

4157235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4157235 is a deficient number, since it is larger than the sum of its proper divisors (3048717).

4157235 is a wasteful number, since it uses less digits than its factorization.

4157235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92394 (or 92391 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 4157235 is about 2038.9298663760. The cubic root of 4157235 is about 160.7933900528.

The spelling of 4157235 in words is "four million, one hundred fifty-seven thousand, two hundred thirty-five".