144006590 has 144 divisors (see below), whose sum is σ = 342470592. Its totient is φ = 43400448.

The previous prime is 144006581. The next prime is 144006631. The reversal of 144006590 is 95600441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3063947 + ... + 3063993.

It is an arithmetic number, because the mean of its divisors is an integer number (2378268).

Almost surely, 2^144006590 is an apocalyptic number.

144006590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144006590 is an abundant number, since it is smaller than the sum of its proper divisors (198464002).

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

144006590 is a wasteful number, since it uses less digits than its factorization.

144006590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 144006590 is about 12000.2745801919. The cubic root of 144006590 is about 524.1562744077.

The spelling of 144006590 in words is "one hundred forty-four million, six thousand, five hundred ninety".