144440763635 has 16 divisors (see below), whose sum is σ = 198098660352. Its totient is φ = 99040860000.

The previous prime is 144440763629. The next prime is 144440763673. The reversal of 144440763635 is 536367044441.

It is not a de Polignac number, because 144440763635 - 2¹⁶ = 144440698099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144440763635.

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, 896930 + ... + 1045640.

It is an arithmetic number, because the mean of its divisors is an integer number (12381166272).

Almost surely, 2^144440763635 is an apocalyptic number.

144440763635 is a deficient number, since it is larger than the sum of its proper divisors (53657896717).

144440763635 is a wasteful number, since it uses less digits than its factorization.

144440763635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176474.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 144440763635 in words is "one hundred forty-four billion, four hundred forty million, seven hundred sixty-three thousand, six hundred thirty-five".