144842964 has 24 divisors (see below), whose sum is σ = 386248128. Its totient is φ = 41383680.

The previous prime is 144842927. The next prime is 144842969. The reversal of 144842964 is 469248441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144842969) 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, 862077 + ... + 862244.

It is an arithmetic number, because the mean of its divisors is an integer number (16093672).

Almost surely, 2^144842964 is an apocalyptic number.

144842964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144842964 is an abundant number, since it is smaller than the sum of its proper divisors (241405164).

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

144842964 is a wasteful number, since it uses less digits than its factorization.

144842964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724335 (or 1724333 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 144842964 is about 12035.0722473943. The cubic root of 144842964 is about 525.1690630120.

The spelling of 144842964 in words is "one hundred forty-four million, eight hundred forty-two thousand, nine hundred sixty-four".