144513992 has 16 divisors (see below), whose sum is σ = 309672960. Its totient is φ = 61934544.

The previous prime is 144513977. The next prime is 144513997. The reversal of 144513992 is 299315441.

It is not an unprimeable number, because it can be changed into a prime (144513997) 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 3 ways as a sum of consecutive naturals, for example, 1290248 + ... + 1290359.

It is an arithmetic number, because the mean of its divisors is an integer number (19354560).

Almost surely, 2^144513992 is an apocalyptic number.

It is an amenable number.

144513992 is an abundant number, since it is smaller than the sum of its proper divisors (165158968).

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

144513992 is a wasteful number, since it uses less digits than its factorization.

144513992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580620 (or 2580616 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 144513992 is about 12021.3972565588. The cubic root of 144513992 is about 524.7711679982.

The spelling of 144513992 in words is "one hundred forty-four million, five hundred thirteen thousand, nine hundred ninety-two".