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144946 = 2232137
BaseRepresentation
bin100011011000110010
321100211101
4203120302
514114241
63035014
71142404
oct433062
9240741
10144946
119999a
126ba6a
1350c89
143ab74
152ce31
hex23632

144946 has 12 divisors (see below), whose sum is σ = 228942. Its totient is φ = 68816.

The previous prime is 144941. The next prime is 144961. The reversal of 144946 is 649441.

144946 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 25921 = 345^2 + 161^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (144941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990 + ... + 1126.

2144946 is an apocalyptic number.

144946 is a deficient number, since it is larger than the sum of its proper divisors (83996).

144946 is a wasteful number, since it uses less digits than its factorization.

144946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 162 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 144946 is about 380.7177432167. The cubic root of 144946 is about 52.5293562199.

The spelling of 144946 in words is "one hundred forty-four thousand, nine hundred forty-six".

Divisors: 1 2 23 46 137 274 529 1058 3151 6302 72473 144946