240332445 has 18 divisors (see below), whose sum is σ = 416756574. Its totient is φ = 128121840.

The previous prime is 240332441. The next prime is 240332453. The reversal of 240332445 is 544233042.

It can be written as a sum of positive squares in only one way, i.e., 192265956 + 48066489 = 13866^2 + 6933^2 .

It is not a de Polignac number, because 240332445 - 2² = 240332441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240332441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 102840 + ... + 105150.

It is an arithmetic number, because the mean of its divisors is an integer number (23153143).

Almost surely, 2^240332445 is an apocalyptic number.

It is an amenable number.

240332445 is a deficient number, since it is larger than the sum of its proper divisors (176424129).

240332445 is an frugal number, since it uses more digits than its factorization.

240332445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 240332445 is about 15502.6592880060. The cubic root of 240332445 is about 621.7333087792.

Multiplying 240332445 by its product of nonzero digits (11520), we get a square (2768629766400 = 1663920²).

Adding to 240332445 its reverse (544233042), we get a palindrome (784565487).

The spelling of 240332445 in words is "two hundred forty million, three hundred thirty-two thousand, four hundred forty-five".