234445442 has 32 divisors (see below), whose sum is σ = 442813824. Its totient is φ = 90432000.

The previous prime is 234445441. The next prime is 234445457. The reversal of 234445442 is 244544432.

It is a junction number, because it is equal to n+sod(n) for n = 234445399 and 234445408.

It is not an unprimeable number, because it can be changed into a prime (234445441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8018 + ... + 23090.

It is an arithmetic number, because the mean of its divisors is an integer number (13837932).

Almost surely, 2^234445442 is an apocalyptic number.

234445442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

234445442 is a deficient number, since it is larger than the sum of its proper divisors (208368382).

234445442 is a wasteful number, since it uses less digits than its factorization.

234445442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194.

The product of its digits is 61440, while the sum is 32.

The square root of 234445442 is about 15311.6113456422. The cubic root of 234445442 is about 616.6147812526.

Adding to 234445442 its reverse (244544432), we get a palindrome (478989874).

The spelling of 234445442 in words is "two hundred thirty-four million, four hundred forty-five thousand, four hundred forty-two".