144869850 has 96 divisors (see below), whose sum is σ = 401760000. Its totient is φ = 38384640.

The previous prime is 144869833. The next prime is 144869867. The reversal of 144869850 is 58968441.

It is an interprime number because it is at equal distance from previous prime (144869833) and next prime (144869867).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 144869796 and 144869805.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322426 + ... + 322874.

It is an arithmetic number, because the mean of its divisors is an integer number (4185000).

Almost surely, 2^144869850 is an apocalyptic number.

144869850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144869850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200880000).

144869850 is an abundant number, since it is smaller than the sum of its proper divisors (256890150).

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

144869850 is a wasteful number, since it uses less digits than its factorization.

144869850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 144869850 is about 12036.1891809659. The cubic root of 144869850 is about 525.2015552631.

It can be divided in two parts, 14486 and 9850, that added together give a square (24336 = 156²).

The spelling of 144869850 in words is "one hundred forty-four million, eight hundred sixty-nine thousand, eight hundred fifty".