42361345 has 16 divisors (see below), whose sum is σ = 56512512. Its totient is φ = 30271680.

The previous prime is 42361343. The next prime is 42361349. The reversal of 42361345 is 54316324.

It is not a de Polignac number, because 42361345 - 2¹ = 42361343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42361343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8497 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (3532032).

Almost surely, 2^42361345 is an apocalyptic number.

It is an amenable number.

42361345 is a deficient number, since it is larger than the sum of its proper divisors (14151167).

42361345 is a wasteful number, since it uses less digits than its factorization.

42361345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21072.

The product of its digits is 8640, while the sum is 28.

The square root of 42361345 is about 6508.5593644062. The cubic root of 42361345 is about 348.5966802501.

Adding to 42361345 its reverse (54316324), we get a palindrome (96677669).

The spelling of 42361345 in words is "forty-two million, three hundred sixty-one thousand, three hundred forty-five".