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144434522 = 2187338557
BaseRepresentation
bin10001001101111…
…10010101011010
3101001210000220202
420212332111122
5243433401042
622155422202
73402446621
oct1046762532
9331700822
10144434522
1174590881
1240454962
1323c0091b
141527a6b8
15ca30632
hex89be55a

144434522 has 8 divisors (see below), whose sum is σ = 216773076. Its totient is φ = 72176832.

The previous prime is 144434509. The next prime is 144434551. The reversal of 144434522 is 225434441.

It can be written as a sum of positive squares in 2 ways, for example, as 122522761 + 21911761 = 11069^2 + 4681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1444345222 = 41722662290736968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15533 + ... + 23024.

Almost surely, 2144434522 is an apocalyptic number.

144434522 is a deficient number, since it is larger than the sum of its proper divisors (72338554).

144434522 is a wasteful number, since it uses less digits than its factorization.

144434522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40432.

The product of its digits is 15360, while the sum is 29.

The square root of 144434522 is about 12018.0914458162. The cubic root of 144434522 is about 524.6749576800.

Adding to 144434522 its reverse (225434441), we get a palindrome (369868963).

The spelling of 144434522 in words is "one hundred forty-four million, four hundred thirty-four thousand, five hundred twenty-two".

Divisors: 1 2 1873 3746 38557 77114 72217261 144434522