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144426754 = 272213377
BaseRepresentation
bin10001001101111…
…00011100000010
3101001202122021001
420212330130002
5243433124004
622155322214
73402415153
oct1046743402
9331678231
10144426754
1174585a5a
124045036a
1323bca224
141527792a
15ca2d1a4
hex89bc702

144426754 has 4 divisors (see below), whose sum is σ = 216640134. Its totient is φ = 72213376.

The previous prime is 144426701. The next prime is 144426787. The reversal of 144426754 is 457624441.

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., 132365025 + 12061729 = 11505^2 + 3473^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36106687 + ... + 36106690.

Almost surely, 2144426754 is an apocalyptic number.

144426754 is a deficient number, since it is larger than the sum of its proper divisors (72213380).

144426754 is an equidigital number, since it uses as much as digits as its factorization.

144426754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72213379.

The product of its digits is 107520, while the sum is 37.

The square root of 144426754 is about 12017.7682620360. The cubic root of 144426754 is about 524.6655514612.

The spelling of 144426754 in words is "one hundred forty-four million, four hundred twenty-six thousand, seven hundred fifty-four".

Divisors: 1 2 72213377 144426754