2141445 has 16 divisors (see below), whose sum is σ = 3444480. Its totient is φ = 1136064.

The previous prime is 2141437. The next prime is 2141459. The reversal of 2141445 is 5441412.

It is a happy number.

It is not a de Polignac number, because 2141445 - 2³ = 2141437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (215280).

2^2141445 is an apocalyptic number.

It is an amenable number.

2141445 is a deficient number, since it is larger than the sum of its proper divisors (1303035).

2141445 is a wasteful number, since it uses less digits than its factorization.

2141445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 640, while the sum is 21.

The square root of 2141445 is about 1463.3676913203. The cubic root of 2141445 is about 128.8948725863.

Adding to 2141445 its reverse (5441412), we get a palindrome (7582857).

The spelling of 2141445 in words is "two million, one hundred forty-one thousand, four hundred forty-five".