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144815092 = 22233155381
BaseRepresentation
bin10001010000110…
…11001111110100
3101002111100221221
420220123033310
5244033040332
622211520124
73405623302
oct1050331764
9332440857
10144815092
11748207a4
12405b9044
1324004c06
1415339272
15caa8297
hex8a1b3f4

144815092 has 12 divisors (see below), whose sum is σ = 254515716. Its totient is φ = 72096320.

The previous prime is 144815089. The next prime is 144815141. The reversal of 144815092 is 290518441.

It is a happy number.

144815092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 87721956 + 57093136 = 9366^2 + 7556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76759 + ... + 78622.

It is an arithmetic number, because the mean of its divisors is an integer number (21209643).

Almost surely, 2144815092 is an apocalyptic number.

It is an amenable number.

144815092 is a deficient number, since it is larger than the sum of its proper divisors (109700624).

144815092 is a wasteful number, since it uses less digits than its factorization.

144815092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155618 (or 155616 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 144815092 is about 12033.9142426727. The cubic root of 144815092 is about 525.1353749158.

The spelling of 144815092 in words is "one hundred forty-four million, eight hundred fifteen thousand, ninety-two".

Divisors: 1 2 4 233 466 932 155381 310762 621524 36203773 72407546 144815092