2045955 has 8 divisors (see below), whose sum is σ = 3273552. Its totient is φ = 1091168.

The previous prime is 2045929. The next prime is 2045963. The reversal of 2045955 is 5595402.

It is a happy number.

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 2045955 - 2⁶ = 2045891 is a prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68184 + ... + 68213.

It is an arithmetic number, because the mean of its divisors is an integer number (409194).

2^2045955 is an apocalyptic number.

2045955 is a deficient number, since it is larger than the sum of its proper divisors (1227597).

2045955 is a wasteful number, since it uses less digits than its factorization.

2045955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136405.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2045955 is about 1430.3688335531. The cubic root of 2045955 is about 126.9498013939.

The spelling of 2045955 in words is "two million, forty-five thousand, nine hundred fifty-five".