144114421646 has 8 divisors (see below), whose sum is σ = 232800219624. Its totient is φ = 66514348440.

The previous prime is 144114421609. The next prime is 144114421663. The reversal of 144114421646 is 646124411441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144114421646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771431160 + ... + 2771431211.

It is an arithmetic number, because the mean of its divisors is an integer number (29100027453).

Almost surely, 2^144114421646 is an apocalyptic number.

144114421646 is a deficient number, since it is larger than the sum of its proper divisors (88685797978).

144114421646 is a wasteful number, since it uses less digits than its factorization.

144114421646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542862386.

The product of its digits is 73728, while the sum is 38.

The spelling of 144114421646 in words is "one hundred forty-four billion, one hundred fourteen million, four hundred twenty-one thousand, six hundred forty-six".