Search a number
-
+
144053440 = 2651922943
BaseRepresentation
bin10001001011000…
…01010011000000
3101001001200011121
420211201103000
5243334202230
622143322024
73366301606
oct1045412300
9331050147
10144053440
1174350533
12402b0314
1323ac932b
14151bb876
15c9a777a
hex89614c0

144053440 has 168 divisors, whose sum is σ = 383225040. Its totient is φ = 51480576.

The previous prime is 144053423. The next prime is 144053447. The reversal of 144053440 is 44350441.

It is not an unprimeable number, because it can be changed into a prime (144053447) 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, 3350059 + ... + 3350101.

Almost surely, 2144053440 is an apocalyptic number.

144053440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191612520).

144053440 is an abundant number, since it is smaller than the sum of its proper divisors (239171600).

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

144053440 is a wasteful number, since it uses less digits than its factorization.

144053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144053440 is about 12002.2264601198. The cubic root of 144053440 is about 524.2131099060.

The spelling of 144053440 in words is "one hundred forty-four million, fifty-three thousand, four hundred forty".