4157231445 has 40 divisors (see below), whose sum is σ = 7844459040. Its totient is φ = 2100492000.

The previous prime is 4157231431. The next prime is 4157231447. The reversal of 4157231445 is 5441327514.

4157231445 is a `hidden beast` number, since 41 + 572 + 3 + 1 + 4 + 45 = 666.

It is not a de Polignac number, because 4157231445 - 2²¹ = 4155134293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157231447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 262431 + ... + 277820.

It is an arithmetic number, because the mean of its divisors is an integer number (196111476).

Almost surely, 2^4157231445 is an apocalyptic number.

4157231445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4157231445 is a deficient number, since it is larger than the sum of its proper divisors (3687227595).

4157231445 is a wasteful number, since it uses less digits than its factorization.

4157231445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540287 (or 540278 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 4157231445 is about 64476.5961027721. The cubic root of 4157231445 is about 1607.9334421939.

Adding to 4157231445 its reverse (5441327514), we get a palindrome (9598558959).

The spelling of 4157231445 in words is "four billion, one hundred fifty-seven million, two hundred thirty-one thousand, four hundred forty-five".