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144325506 = 23132380449
BaseRepresentation
bin10001001101000…
…11101110000010
3101001120111101010
420212203232002
5243421404011
622153221350
73401514033
oct1046435602
9331514333
10144325506
1174516986
1240401856
1323b93110
141524ca8a
15ca0d1a6
hex89a3b82

144325506 has 32 divisors (see below), whose sum is σ = 324374400. Its totient is φ = 42476544.

The previous prime is 144325499. The next prime is 144325537. The reversal of 144325506 is 605523441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38431 + ... + 42018.

It is an arithmetic number, because the mean of its divisors is an integer number (10136700).

Almost surely, 2144325506 is an apocalyptic number.

144325506 is an abundant number, since it is smaller than the sum of its proper divisors (180048894).

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

144325506 is a wasteful number, since it uses less digits than its factorization.

144325506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80490.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 144325506 is about 12013.5550941426. Note that the first 3 decimals coincide. The cubic root of 144325506 is about 524.5429200826.

Adding to 144325506 its reverse (605523441), we get a palindrome (749848947).

The spelling of 144325506 in words is "one hundred forty-four million, three hundred twenty-five thousand, five hundred six".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 299 598 897 1794 80449 160898 241347 482694 1045837 1850327 2091674 3137511 3700654 5550981 6275022 11101962 24054251 48108502 72162753 144325506