42352144 has 10 divisors (see below), whose sum is σ = 82057310. Its totient is φ = 21176064.

The previous prime is 42352133. The next prime is 42352153. The reversal of 42352144 is 44125324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33872400 + 8479744 = 5820^2 + 2912^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323489 + ... + 1323520.

It is an arithmetic number, because the mean of its divisors is an integer number (8205731).

Almost surely, 2^42352144 is an apocalyptic number.

It is an amenable number.

42352144 is a deficient number, since it is larger than the sum of its proper divisors (39705166).

42352144 is a wasteful number, since it uses less digits than its factorization.

42352144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647017 (or 2647011 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42352144 is about 6507.8524875722. The cubic root of 42352144 is about 348.5714397051.

Adding to 42352144 its reverse (44125324), we get a palindrome (86477468).

The spelling of 42352144 in words is "forty-two million, three hundred fifty-two thousand, one hundred forty-four".