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144557958 = 2373330041
BaseRepresentation
bin10001001110111…
…00011110000110
3101002000022020110
420213130132012
5244001323313
622202213450
73403502526
oct1047343606
9332008213
10144557958
1174665596
12404b4286
1323c44b6c
14152ad686
15ca56ec3
hex89dc786

144557958 has 16 divisors (see below), whose sum is σ = 293077296. Its totient is φ = 47525760.

The previous prime is 144557939. The next prime is 144557971. The reversal of 144557958 is 859755441.

It is a happy number.

144557958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1445579582 = 41794006442259528, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164583 + ... + 165458.

It is an arithmetic number, because the mean of its divisors is an integer number (18317331).

Almost surely, 2144557958 is an apocalyptic number.

144557958 is an abundant number, since it is smaller than the sum of its proper divisors (148519338).

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

144557958 is a wasteful number, since it uses less digits than its factorization.

144557958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330119.

The product of its digits is 1008000, while the sum is 48.

The square root of 144557958 is about 12023.2257734769. The cubic root of 144557958 is about 524.8243802616.

The spelling of 144557958 in words is "one hundred forty-four million, five hundred fifty-seven thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 73 146 219 438 330041 660082 990123 1980246 24092993 48185986 72278979 144557958