42142344 has 32 divisors (see below), whose sum is σ = 105645120. Its totient is φ = 14008896.

The previous prime is 42142339. The next prime is 42142357. The reversal of 42142344 is 44324124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7317 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (3301410).

Almost surely, 2^42142344 is an apocalyptic number.

It is an amenable number.

42142344 is an abundant number, since it is smaller than the sum of its proper divisors (63502776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42142344 is a wasteful number, since it uses less digits than its factorization.

42142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4825 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 42142344 is about 6491.7134872081. The cubic root of 42142344 is about 347.9949133885.

Adding to 42142344 its reverse (44324124), we get a palindrome (86466468).

It can be divided in two parts, 42142 and 344, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 42142344 in words is "forty-two million, one hundred forty-two thousand, three hundred forty-four".