144652986 has 64 divisors (see below), whose sum is σ = 337478400. Its totient is φ = 45864000.

The previous prime is 144652969. The next prime is 144652987. The reversal of 144652986 is 689256441.

144652986 is a `hidden beast` number, since 1 + 4 + 46 + 529 + 86 = 666.

It is not an unprimeable number, because it can be changed into a prime (144652987) 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, 110536 + ... + 111836.

It is an arithmetic number, because the mean of its divisors is an integer number (5273100).

Almost surely, 2^144652986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144652986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168739200).

144652986 is an abundant number, since it is smaller than the sum of its proper divisors (192825414).

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

144652986 is a wasteful number, since it uses less digits than its factorization.

144652986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1406 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 144652986 is about 12027.1769755001. The cubic root of 144652986 is about 524.9393562605.

The spelling of 144652986 in words is "one hundred forty-four million, six hundred fifty-two thousand, nine hundred eighty-six".