42481145 has 8 divisors (see below), whose sum is σ = 58259904. Its totient is φ = 29129904.

The previous prime is 42481141. The next prime is 42481157. The reversal of 42481145 is 54118424.

42481145 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 a cyclic number.

It is not a de Polignac number, because 42481145 - 2² = 42481141 is a prime.

It is a super-2 number, since 2×42481145² = 3609295361022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42481141) 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, 606839 + ... + 606908.

It is an arithmetic number, because the mean of its divisors is an integer number (7282488).

Almost surely, 2^42481145 is an apocalyptic number.

It is an amenable number.

42481145 is a deficient number, since it is larger than the sum of its proper divisors (15778759).

42481145 is a wasteful number, since it uses less digits than its factorization.

42481145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213759.

The product of its digits is 5120, while the sum is 29.

The square root of 42481145 is about 6517.7561322897. The cubic root of 42481145 is about 348.9249872307.

Adding to 42481145 its reverse (54118424), we get a palindrome (96599569).

The spelling of 42481145 in words is "forty-two million, four hundred eighty-one thousand, one hundred forty-five".