144541117644 has 96 divisors (see below), whose sum is σ = 422662442496. Its totient is φ = 37348577280.

The previous prime is 144541117631. The next prime is 144541117657. The reversal of 144541117644 is 446711145441.

It is an interprime number because it is at equal distance from previous prime (144541117631) and next prime (144541117657).

It is a super-2 number, since 2×144541117644² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 144541117596 and 144541117605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226927 + ... + 583590.

It is an arithmetic number, because the mean of its divisors is an integer number (4402733776).

Almost surely, 2^144541117644 is an apocalyptic number.

144541117644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144541117644 is an abundant number, since it is smaller than the sum of its proper divisors (278121324852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144541117644 is a wasteful number, since it uses less digits than its factorization.

144541117644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810735 (or 810733 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The spelling of 144541117644 in words is "one hundred forty-four billion, five hundred forty-one million, one hundred seventeen thousand, six hundred forty-four".