42143055 has 8 divisors (see below), whose sum is σ = 67428912. Its totient is φ = 22476288.

The previous prime is 42143029. The next prime is 42143077. The reversal of 42143055 is 55034124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42143055 - 2⁷ = 42142927 is a prime.

It is a congruent number.

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, 1404754 + ... + 1404783.

It is an arithmetic number, because the mean of its divisors is an integer number (8428614).

Almost surely, 2^42143055 is an apocalyptic number.

42143055 is a deficient number, since it is larger than the sum of its proper divisors (25285857).

42143055 is a wasteful number, since it uses less digits than its factorization.

42143055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809545.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42143055 is about 6491.7682490982. The cubic root of 42143055 is about 347.9968704303.

Adding to 42143055 its reverse (55034124), we get a palindrome (97177179).

The spelling of 42143055 in words is "forty-two million, one hundred forty-three thousand, fifty-five".