2145118 has 8 divisors (see below), whose sum is σ = 3357648. Its totient is φ = 1025904.

The previous prime is 2145113. The next prime is 2145131. The reversal of 2145118 is 8115412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23271 + ... + 23362.

It is an arithmetic number, because the mean of its divisors is an integer number (419706).

2^2145118 is an apocalyptic number.

2145118 is a deficient number, since it is larger than the sum of its proper divisors (1212530).

2145118 is a wasteful number, since it uses less digits than its factorization.

2145118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46658.

The product of its digits is 320, while the sum is 22.

The square root of 2145118 is about 1464.6221355694. The cubic root of 2145118 is about 128.9685238590.

The spelling of 2145118 in words is "two million, one hundred forty-five thousand, one hundred eighteen".