42045134 has 8 divisors (see below), whose sum is σ = 63142248. Its totient is φ = 20997720.

The previous prime is 42045121. The next prime is 42045139. The reversal of 42045134 is 43154024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10232 + ... + 13739.

It is an arithmetic number, because the mean of its divisors is an integer number (7892781).

Almost surely, 2^42045134 is an apocalyptic number.

42045134 is a deficient number, since it is larger than the sum of its proper divisors (21097114).

42045134 is a wasteful number, since it uses less digits than its factorization.

42045134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42045134 is about 6484.2219271089. The cubic root of 42045134 is about 347.7271333952.

Adding to 42045134 its reverse (43154024), we get a palindrome (85199158).

It can be divided in two parts, 420 and 45134, that added together give a palindrome (45554).

The spelling of 42045134 in words is "forty-two million, forty-five thousand, one hundred thirty-four".