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144563074 = 272281537
BaseRepresentation
bin10001001110111…
…01101110000010
3101002000120020221
420213131232002
5244002004244
622202253254
73403523455
oct1047355602
9332016227
10144563074
1174669417
12404b722a
1323c472a6
14152b149c
15ca58784
hex89ddb82

144563074 has 4 divisors (see below), whose sum is σ = 216844614. Its totient is φ = 72281536.

The previous prime is 144563051. The next prime is 144563093. The reversal of 144563074 is 470365441.

144563074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143832049 + 731025 = 11993^2 + 855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36140767 + ... + 36140770.

Almost surely, 2144563074 is an apocalyptic number.

144563074 is a deficient number, since it is larger than the sum of its proper divisors (72281540).

144563074 is an equidigital number, since it uses as much as digits as its factorization.

144563074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72281539.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 144563074 is about 12023.4385264782. The cubic root of 144563074 is about 524.8305714804.

The spelling of 144563074 in words is "one hundred forty-four million, five hundred sixty-three thousand, seventy-four".

Divisors: 1 2 72281537 144563074