240445 has 8 divisors (see below), whose sum is σ = 303840. Its totient is φ = 182160.

The previous prime is 240437. The next prime is 240473. The reversal of 240445 is 544042.

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

It is not a de Polignac number, because 240445 - 2³ = 240437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 1171 + ... + 1360.

It is an arithmetic number, because the mean of its divisors is an integer number (37980).

2²⁴⁰⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

240445 is a deficient number, since it is larger than the sum of its proper divisors (63395).

240445 is a wasteful number, since it uses less digits than its factorization.

240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 240445 is about 490.3519144451. The cubic root of 240445 is about 62.1830352510.

Adding to 240445 its reverse (544042), we get a palindrome (784487).

The spelling of 240445 in words is "two hundred forty thousand, four hundred forty-five".