240445640145 has 16 divisors (see below), whose sum is σ = 407343202560. Its totient is φ = 120694281984.

The previous prime is 240445640089. The next prime is 240445640177. The reversal of 240445640145 is 541046544042.

It is not a de Polignac number, because 240445640145 - 2¹⁰ = 240445639121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471461785 + ... + 471462294.

It is an arithmetic number, because the mean of its divisors is an integer number (25458950160).

Almost surely, 2^240445640145 is an apocalyptic number.

It is an amenable number.

240445640145 is a deficient number, since it is larger than the sum of its proper divisors (166897562415).

240445640145 is a wasteful number, since it uses less digits than its factorization.

240445640145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942924104.

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 240445640145 in words is "two hundred forty billion, four hundred forty-five million, six hundred forty thousand, one hundred forty-five".