42943142 has 36 divisors (see below), whose sum is σ = 73676148. Its totient is φ = 18757200.

The previous prime is 42943127. The next prime is 42943151. The reversal of 42943142 is 24134924.

It is a super-2 number, since 2×42943142² = 3688226889664328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 203417 + ... + 203627.

Almost surely, 2^42943142 is an apocalyptic number.

42943142 is a deficient number, since it is larger than the sum of its proper divisors (30733006).

42943142 is a wasteful number, since it uses less digits than its factorization.

42943142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 253 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 42943142 is about 6553.1017083515. The cubic root of 42943142 is about 350.1853222642.

It can be divided in two parts, 42943 and 142, that multiplied together give a palindrome (6097906).

The spelling of 42943142 in words is "forty-two million, nine hundred forty-three thousand, one hundred forty-two".