144009996 has 24 divisors (see below), whose sum is σ = 361871664. Its totient is φ = 44310720.

The previous prime is 144009991. The next prime is 144010007. The reversal of 144009996 is 699900441.

It is a super-3 number, since 3×144009996³ (a number of 25 digits) contains 333 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (144009991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461415 + ... + 461726.

It is an arithmetic number, because the mean of its divisors is an integer number (15077986).

Almost surely, 2^144009996 is an apocalyptic number.

It is an amenable number.

144009996 is an abundant number, since it is smaller than the sum of its proper divisors (217861668).

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

144009996 is a wasteful number, since it uses less digits than its factorization.

144009996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923161 (or 923159 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 144009996 is about 12000.4164927722. The cubic root of 144009996 is about 524.1604067699.

The spelling of 144009996 in words is "one hundred forty-four million, nine thousand, nine hundred ninety-six".