240142351 has 2 divisors, whose sum is σ = 240142352. Its totient is φ = 240142350.

The previous prime is 240142327. The next prime is 240142361. The reversal of 240142351 is 153241042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240142351 - 2¹³ = 240134159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240142361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120071175 + 120071176.

It is an arithmetic number, because the mean of its divisors is an integer number (120071176).

Almost surely, 2^240142351 is an apocalyptic number.

240142351 is a deficient number, since it is larger than the sum of its proper divisors (1).

240142351 is an equidigital number, since it uses as much as digits as its factorization.

240142351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 240142351 is about 15496.5270625389. The cubic root of 240142351 is about 621.5693429221.

Adding to 240142351 its reverse (153241042), we get a palindrome (393383393).

The spelling of 240142351 in words is "two hundred forty million, one hundred forty-two thousand, three hundred fifty-one".