144250020 has 72 divisors (see below), whose sum is σ = 456595776. Its totient is φ = 36793152.

The previous prime is 144250019. The next prime is 144250027. The reversal of 144250020 is 20052441.

144250020 is a `hidden beast` number, since 144 + 2 + 500 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 144249975 and 144250002.

It is not an unprimeable number, because it can be changed into a prime (144250027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13282 + ... + 21561.

It is an arithmetic number, because the mean of its divisors is an integer number (6341608).

Almost surely, 2^144250020 is an apocalyptic number.

144250020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144250020 is an abundant number, since it is smaller than the sum of its proper divisors (312345756).

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

144250020 is a wasteful number, since it uses less digits than its factorization.

144250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34881 (or 34876 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 144250020 is about 12010.4129820752. The cubic root of 144250020 is about 524.4514542630.

The spelling of 144250020 in words is "one hundred forty-four million, two hundred fifty thousand, twenty".