144036449858 has 32 divisors (see below), whose sum is σ = 260170458240. Its totient is φ = 58423576320.

The previous prime is 144036449827. The next prime is 144036449971. The reversal of 144036449858 is 858944630441.

It is a super-2 number, since 2×144036449858² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6410 + ... + 536762.

It is an arithmetic number, because the mean of its divisors is an integer number (8130326820).

Almost surely, 2^144036449858 is an apocalyptic number.

144036449858 is a deficient number, since it is larger than the sum of its proper divisors (116134008382).

144036449858 is a wasteful number, since it uses less digits than its factorization.

144036449858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531402.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 144036449858 in words is "one hundred forty-four billion, thirty-six million, four hundred forty-nine thousand, eight hundred fifty-eight".