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145314344 = 23713811879
BaseRepresentation
bin10001010100101…
…01001000101000
3101010102201210202
420222111020220
5244200024334
622230331332
73413102660
oct1052251050
9333381722
10145314344
11750318aa
12407b9b48
132414b226
14154291a0
15cb5617e
hex8a95228

145314344 has 32 divisors (see below), whose sum is σ = 311779200. Its totient is φ = 62199360.

The previous prime is 145314343. The next prime is 145314347. The reversal of 145314344 is 443413541.

It is a happy number.

It is a super-2 number, since 2×1453143442 = 42232517144300672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145314343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76397 + ... + 78275.

It is an arithmetic number, because the mean of its divisors is an integer number (9743100).

Almost surely, 2145314344 is an apocalyptic number.

145314344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145314344 is an abundant number, since it is smaller than the sum of its proper divisors (166464856).

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

145314344 is a wasteful number, since it uses less digits than its factorization.

145314344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3269 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 145314344 is about 12054.6399365556. The cubic root of 145314344 is about 525.7381532001.

Adding to 145314344 its reverse (443413541), we get a palindrome (588727885).

The spelling of 145314344 in words is "one hundred forty-five million, three hundred fourteen thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 1381 1879 2762 3758 5524 7516 9667 11048 13153 15032 19334 26306 38668 52612 77336 105224 2594899 5189798 10379596 18164293 20759192 36328586 72657172 145314344