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144434154 = 2342157179
BaseRepresentation
bin10001001101111…
…10001111101010
3101001210000102010
420212332033222
5243433343104
622155420350
73402445554
oct1046761752
9331700363
10144434154
1174590577
12404546b6
1323c006c7
141527a4d4
15ca30489
hex89be3ea

144434154 has 16 divisors (see below), whose sum is σ = 289559520. Its totient is φ = 48029520.

The previous prime is 144434131. The next prime is 144434189. The reversal of 144434154 is 451434441.

It is a super-2 number, since 2×1444341542 = 41722449683391432, which contains 22 as substring.

It is a Curzon 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, 26064 + ... + 31115.

It is an arithmetic number, because the mean of its divisors is an integer number (18097470).

Almost surely, 2144434154 is an apocalyptic number.

144434154 is an abundant number, since it is smaller than the sum of its proper divisors (145125366).

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

144434154 is a wasteful number, since it uses less digits than its factorization.

144434154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57605.

The product of its digits is 15360, while the sum is 30.

The square root of 144434154 is about 12018.0761355551. The cubic root of 144434154 is about 524.6745120789.

Adding to 144434154 its reverse (451434441), we get a palindrome (595868595).

The spelling of 144434154 in words is "one hundred forty-four million, four hundred thirty-four thousand, one hundred fifty-four".

Divisors: 1 2 3 6 421 842 1263 2526 57179 114358 171537 343074 24072359 48144718 72217077 144434154