42648145 has 8 divisors (see below), whose sum is σ = 51237504. Its totient is φ = 34078704.

The previous prime is 42648143. The next prime is 42648169. The reversal of 42648145 is 54184624.

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 42648145 - 2¹ = 42648143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42648145.

It is not an unprimeable number, because it can be changed into a prime (42648143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (6404688).

Almost surely, 2^42648145 is an apocalyptic number.

It is an amenable number.

42648145 is a deficient number, since it is larger than the sum of its proper divisors (8589359).

42648145 is an equidigital number, since it uses as much as digits as its factorization.

42648145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959.

The product of its digits is 30720, while the sum is 34.

The square root of 42648145 is about 6530.5547237582. The cubic root of 42648145 is about 349.3816155570.

The spelling of 42648145 in words is "forty-two million, six hundred forty-eight thousand, one hundred forty-five".