144664500 has 48 divisors (see below), whose sum is σ = 421267392. Its totient is φ = 38576800.

The previous prime is 144664483. The next prime is 144664511. The reversal of 144664500 is 5466441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46722 + ... + 49721.

It is an arithmetic number, because the mean of its divisors is an integer number (8776404).

Almost surely, 2^144664500 is an apocalyptic number.

144664500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144664500 is an abundant number, since it is smaller than the sum of its proper divisors (276602892).

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

144664500 is a wasteful number, since it uses less digits than its factorization.

144664500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96465 (or 96453 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 144664500 is about 12027.6556319176. The cubic root of 144664500 is about 524.9532838250.

The spelling of 144664500 in words is "one hundred forty-four million, six hundred sixty-four thousand, five hundred".