144862837609 has 24 divisors (see below), whose sum is σ = 170885504328. Its totient is φ = 122421922560.

The previous prime is 144862837607. The next prime is 144862837649. The reversal of 144862837609 is 906738268441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11166571584 + 133696266025 = 105672^2 + 365645^2 .

It is not a de Polignac number, because 144862837609 - 2¹ = 144862837607 is a prime.

It is a super-4 number, since 4×144862837609⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (144862837607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12660439 + ... + 12671875.

It is an arithmetic number, because the mean of its divisors is an integer number (7120229347).

Almost surely, 2^144862837609 is an apocalyptic number.

It is an amenable number.

144862837609 is a deficient number, since it is larger than the sum of its proper divisors (26022666719).

144862837609 is a wasteful number, since it uses less digits than its factorization.

144862837609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065 (or 15058 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 144862837609 in words is "one hundred forty-four billion, eight hundred sixty-two million, eight hundred thirty-seven thousand, six hundred nine".