144626764 has 24 divisors (see below), whose sum is σ = 256365648. Its totient is φ = 71384640.

The previous prime is 144626761. The next prime is 144626773. The reversal of 144626764 is 467626441.

It is a super-2 number, since 2×144626764² = 41833801730223392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144626761) 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 7 ways as a sum of consecutive naturals, for example, 196942 + ... + 197674.

It is an arithmetic number, because the mean of its divisors is an integer number (10681902).

Almost surely, 2^144626764 is an apocalyptic number.

It is an amenable number.

144626764 is a deficient number, since it is larger than the sum of its proper divisors (111738884).

144626764 is a wasteful number, since it uses less digits than its factorization.

144626764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1303 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 144626764 is about 12026.0868115942. The cubic root of 144626764 is about 524.9076348468.

The spelling of 144626764 in words is "one hundred forty-four million, six hundred twenty-six thousand, seven hundred sixty-four".