2145046 has 8 divisors (see below), whose sum is σ = 3231144. Its totient is φ = 1068000.

The previous prime is 2145023. The next prime is 2145047. The reversal of 2145046 is 6405412.

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 (2145047) 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, 1635 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (403893).

2^2145046 is an apocalyptic number.

2145046 is a deficient number, since it is larger than the sum of its proper divisors (1086098).

2145046 is a wasteful number, since it uses less digits than its factorization.

2145046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2145046 is about 1464.5975556446. The cubic root of 2145046 is about 128.9670809178.

It can be divided in two parts, 2 and 145046, that multiplied together give a palindrome (290092).

The spelling of 2145046 in words is "two million, one hundred forty-five thousand, forty-six".