42142461 has 8 divisors (see below), whose sum is σ = 57142560. Its totient is φ = 27618672.

The previous prime is 42142459. The next prime is 42142469. The reversal of 42142461 is 16424124.

It is a happy number.

42142461 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 a de Polignac number, because 42142461 - 2¹ = 42142459 is a prime.

It is a super-3 number, since 3×42142461³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142469) 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 7 ways as a sum of consecutive naturals, for example, 118870 + ... + 119223.

It is an arithmetic number, because the mean of its divisors is an integer number (7142820).

Almost surely, 2^42142461 is an apocalyptic number.

It is an amenable number.

42142461 is a deficient number, since it is larger than the sum of its proper divisors (15000099).

42142461 is a wasteful number, since it uses less digits than its factorization.

42142461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238155.

The product of its digits is 1536, while the sum is 24.

The square root of 42142461 is about 6491.7224986902. The cubic root of 42142461 is about 347.9952354348.

Adding to 42142461 its reverse (16424124), we get a palindrome (58566585).

The spelling of 42142461 in words is "forty-two million, one hundred forty-two thousand, four hundred sixty-one".