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144454804 = 22132777977
BaseRepresentation
bin10001001110000…
…11010010010100
3101001211001201221
420213003102110
5243440023204
622200100124
73402563014
oct1047032224
9331731657
10144454804
11745a503a
1240464644
1323c09c20
1415283c44
15ca36654
hex89c3494

144454804 has 12 divisors (see below), whose sum is σ = 272241844. Its totient is φ = 66671424.

The previous prime is 144454741. The next prime is 144454819. The reversal of 144454804 is 408454441.

It can be written as a sum of positive squares in 2 ways, for example, as 66096900 + 78357904 = 8130^2 + 8852^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144454804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388937 + ... + 1389040.

Almost surely, 2144454804 is an apocalyptic number.

It is an amenable number.

144454804 is a deficient number, since it is larger than the sum of its proper divisors (127787040).

144454804 is a wasteful number, since it uses less digits than its factorization.

144454804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777994 (or 2777992 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 34.

The square root of 144454804 is about 12018.9352273818. The cubic root of 144454804 is about 524.6995154272.

The spelling of 144454804 in words is "one hundred forty-four million, four hundred fifty-four thousand, eight hundred four".

Divisors: 1 2 4 13 26 52 2777977 5555954 11111908 36113701 72227402 144454804