144091662 has 64 divisors (see below), whose sum is σ = 350300160. Its totient is φ = 38908800.

The previous prime is 144091639. The next prime is 144091669. The reversal of 144091662 is 266190441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144091669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21987 + ... + 27777.

It is an arithmetic number, because the mean of its divisors is an integer number (5473440).

Almost surely, 2^144091662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144091662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175150080).

144091662 is an abundant number, since it is smaller than the sum of its proper divisors (206208498).

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

144091662 is a wasteful number, since it uses less digits than its factorization.

144091662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 144091662 is about 12003.8186424154. The cubic root of 144091662 is about 524.2594693257.

The spelling of 144091662 in words is "one hundred forty-four million, ninety-one thousand, six hundred sixty-two".