42302145 has 16 divisors (see below), whose sum is σ = 68446080. Its totient is φ = 22306944.

The previous prime is 42302101. The next prime is 42302147. The reversal of 42302145 is 54120324.

It is not a de Polignac number, because 42302145 - 2⁶ = 42302081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42302147) 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, 14509 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (4277880).

Almost surely, 2^42302145 is an apocalyptic number.

It is an amenable number.

42302145 is a deficient number, since it is larger than the sum of its proper divisors (26143935).

42302145 is a wasteful number, since it uses less digits than its factorization.

42302145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31784.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42302145 is about 6504.0099169666. The cubic root of 42302145 is about 348.4342165362.

Adding to 42302145 its reverse (54120324), we get a palindrome (96422469).

The spelling of 42302145 in words is "forty-two million, three hundred two thousand, one hundred forty-five".