240142445 has 4 divisors (see below), whose sum is σ = 288170940. Its totient is φ = 192113952.

The previous prime is 240142439. The next prime is 240142451. The reversal of 240142445 is 544241042.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (240142439) and next prime (240142451).

It can be written as a sum of positive squares in 2 ways, for example, as 175854121 + 64288324 = 13261^2 + 8018^2 .

It is a cyclic number.

It is not a de Polignac number, because 240142445 - 2⁴ = 240142429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24014240 + ... + 24014249.

It is an arithmetic number, because the mean of its divisors is an integer number (72042735).

Almost surely, 2^240142445 is an apocalyptic number.

It is an amenable number.

240142445 is a deficient number, since it is larger than the sum of its proper divisors (48028495).

240142445 is an equidigital number, since it uses as much as digits as its factorization.

240142445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48028494.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 240142445 is about 15496.5300954762. The cubic root of 240142445 is about 621.5694240233.

Adding to 240142445 its reverse (544241042), we get a palindrome (784383487).

The spelling of 240142445 in words is "two hundred forty million, one hundred forty-two thousand, four hundred forty-five".