240142053 has 4 divisors (see below), whose sum is σ = 320189408. Its totient is φ = 160094700.

The previous prime is 240142039. The next prime is 240142061. The reversal of 240142053 is 350241042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 240142053 - 2⁴ = 240142037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240142033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40023673 + ... + 40023678.

It is an arithmetic number, because the mean of its divisors is an integer number (80047352).

Almost surely, 2^240142053 is an apocalyptic number.

It is an amenable number.

240142053 is a deficient number, since it is larger than the sum of its proper divisors (80047355).

240142053 is an equidigital number, since it uses as much as digits as its factorization.

240142053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80047354.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 240142053 is about 15496.5174474783. The cubic root of 240142053 is about 621.5690858138.

Adding to 240142053 its reverse (350241042), we get a palindrome (590383095).

The spelling of 240142053 in words is "two hundred forty million, one hundred forty-two thousand, fifty-three".