2145417 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 1224960.

The previous prime is 2145401. The next prime is 2145421. The reversal of 2145417 is 7145412.

It is not a de Polignac number, because 2145417 - 2⁴ = 2145401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36334 + ... + 36392.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^2145417 is an apocalyptic number.

It is an amenable number.

2145417 is a deficient number, since it is larger than the sum of its proper divisors (1172343).

2145417 is a wasteful number, since it uses less digits than its factorization.

2145417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its digits is 1120, while the sum is 24.

The square root of 2145417 is about 1464.7242061221. The cubic root of 2145417 is about 128.9745157278.

The spelling of 2145417 in words is "two million, one hundred forty-five thousand, four hundred seventeen".