144572250 has 192 divisors, whose sum is σ = 413786880. Its totient is φ = 33510400.

The previous prime is 144572249. The next prime is 144572261. The reversal of 144572250 is 52275441.

It is a super-2 number, since 2×144572250² = 41802270940125000, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4985236 + ... + 4985264.

It is an arithmetic number, because the mean of its divisors is an integer number (2155140).

Almost surely, 2^144572250 is an apocalyptic number.

144572250 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 144572250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206893440).

144572250 is an abundant number, since it is smaller than the sum of its proper divisors (269214630).

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

144572250 is a wasteful number, since it uses less digits than its factorization.

144572250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 144572250 is about 12023.8201084348. The cubic root of 144572250 is about 524.8416756149.

The spelling of 144572250 in words is "one hundred forty-four million, five hundred seventy-two thousand, two hundred fifty".