42325145 has 16 divisors (see below), whose sum is σ = 52116480. Its totient is φ = 32983104.

The previous prime is 42325139. The next prime is 42325147. The reversal of 42325145 is 54152324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42325145 - 2¹² = 42321049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42325147) 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, 91184 + ... + 91646.

It is an arithmetic number, because the mean of its divisors is an integer number (3257280).

Almost surely, 2^42325145 is an apocalyptic number.

It is an amenable number.

42325145 is a deficient number, since it is larger than the sum of its proper divisors (9791335).

42325145 is a wasteful number, since it uses less digits than its factorization.

42325145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its digits is 4800, while the sum is 26.

The square root of 42325145 is about 6505.7778166796. Note that the first 3 decimals coincide. The cubic root of 42325145 is about 348.4973538783.

Adding to 42325145 its reverse (54152324), we get a palindrome (96477469).

The spelling of 42325145 in words is "forty-two million, three hundred twenty-five thousand, one hundred forty-five".