42234345 has 32 divisors (see below), whose sum is σ = 75427200. Its totient is φ = 22421952.

The previous prime is 42234337. The next prime is 42234373. The reversal of 42234345 is 54343224.

42234345 is a `hidden beast` number, since 4 + 223 + 434 + 5 = 666.

It is not a de Polignac number, because 42234345 - 2³ = 42234337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (11520) is a multiple of the sum of its prime divisors (1440).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35734 + ... + 36896.

It is an arithmetic number, because the mean of its divisors is an integer number (2357100).

Almost surely, 2^42234345 is an apocalyptic number.

42234345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42234345 is a deficient number, since it is larger than the sum of its proper divisors (33192855).

42234345 is a wasteful number, since it uses less digits than its factorization.

42234345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1440 counting only the distinct ones).

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

The square root of 42234345 is about 6498.7956576584. The cubic root of 42234345 is about 348.2479653645.

Adding to 42234345 its reverse (54343224), we get a palindrome (96577569).

The spelling of 42234345 in words is "forty-two million, two hundred thirty-four thousand, three hundred forty-five".