42433245 has 24 divisors (see below), whose sum is σ = 75119616. Its totient is φ = 22148448.

The previous prime is 42433201. The next prime is 42433249. The reversal of 42433245 is 54233424.

It is not a de Polignac number, because 42433245 - 2⁸ = 42432989 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42433249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7917 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (3129984).

Almost surely, 2^42433245 is an apocalyptic number.

42433245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42433245 is a deficient number, since it is larger than the sum of its proper divisors (32686371).

42433245 is a wasteful number, since it uses less digits than its factorization.

42433245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121 (or 20118 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42433245 is about 6514.0805183848. The cubic root of 42433245 is about 348.7937933983.

Adding to 42433245 its reverse (54233424), we get a palindrome (96666669).

The spelling of 42433245 in words is "forty-two million, four hundred thirty-three thousand, two hundred forty-five".