144679140 has 72 divisors (see below), whose sum is σ = 441849408. Its totient is φ = 38318400.

The previous prime is 144679127. The next prime is 144679141. The reversal of 144679140 is 41976441.

144679140 is a `hidden beast` number, since 1 + 446 + 79 + 140 = 666.

It is a super-2 number, since 2×144679140² = 41864107102279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144679095 and 144679104.

It is not an unprimeable number, because it can be changed into a prime (144679141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24519 + ... + 29841.

Almost surely, 2^144679140 is an apocalyptic number.

144679140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144679140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220924704).

144679140 is an abundant number, since it is smaller than the sum of its proper divisors (297170268).

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

144679140 is a wasteful number, since it uses less digits than its factorization.

144679140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489 (or 5484 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 144679140 is about 12028.2642139255. The cubic root of 144679140 is about 524.9709915945.

The spelling of 144679140 in words is "one hundred forty-four million, six hundred seventy-nine thousand, one hundred forty".