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144577434 = 2345752727
BaseRepresentation
bin10001001111000…
…01001110011010
3101002001021221210
420213201032122
5244002434214
622202443550
73403613361
oct1047411632
9332037853
10144577434
1174679191
12405035b6
1323c509a1
14152b67d8
15ca5cb59
hex89e139a

144577434 has 16 divisors (see below), whose sum is σ = 289793088. Its totient is φ = 48086112.

The previous prime is 144577429. The next prime is 144577453. The reversal of 144577434 is 434775441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144577392 and 144577401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23622 + ... + 29105.

It is an arithmetic number, because the mean of its divisors is an integer number (18112068).

Almost surely, 2144577434 is an apocalyptic number.

144577434 is an abundant number, since it is smaller than the sum of its proper divisors (145215654).

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

144577434 is a wasteful number, since it uses less digits than its factorization.

144577434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53189.

The product of its digits is 188160, while the sum is 39.

The square root of 144577434 is about 12024.0356785898. The cubic root of 144577434 is about 524.8479487107.

The spelling of 144577434 in words is "one hundred forty-four million, five hundred seventy-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 457 914 1371 2742 52727 105454 158181 316362 24096239 48192478 72288717 144577434