42145274 has 8 divisors (see below), whose sum is σ = 63497088. Its totient is φ = 20979580.

The previous prime is 42145247. The next prime is 42145277. The reversal of 42145274 is 47254124.

42145274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (42145277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45962 + ... + 46869.

It is an arithmetic number, because the mean of its divisors is an integer number (7937136).

Almost surely, 2^42145274 is an apocalyptic number.

42145274 is a deficient number, since it is larger than the sum of its proper divisors (21351814).

42145274 is a wasteful number, since it uses less digits than its factorization.

42145274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93060.

The product of its digits is 8960, while the sum is 29.

The square root of 42145274 is about 6491.9391555990. The cubic root of 42145274 is about 348.0029781310.

Adding to 42145274 its reverse (47254124), we get a palindrome (89399398).

The spelling of 42145274 in words is "forty-two million, one hundred forty-five thousand, two hundred seventy-four".