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144144502 = 2431167221
BaseRepresentation
bin10001001011101…
…11100001110110
3101001020022002021
420211313201312
5243400111002
622145303354
73400131235
oct1045674166
9331208067
10144144502
1174402997
1240334b5a
1323b2b908
1415202b1c
15c9c4737
hex8977876

144144502 has 8 divisors (see below), whose sum is σ = 216719712. Its totient is φ = 71904600.

The previous prime is 144144499. The next prime is 144144509. The reversal of 144144502 is 205441441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82749 + ... + 84472.

It is an arithmetic number, because the mean of its divisors is an integer number (27089964).

Almost surely, 2144144502 is an apocalyptic number.

144144502 is a deficient number, since it is larger than the sum of its proper divisors (72575210).

144144502 is a wasteful number, since it uses less digits than its factorization.

144144502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167654.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 144144502 is about 12006.0194069475. The cubic root of 144144502 is about 524.3235454017.

Adding to 144144502 its reverse (205441441), we get a palindrome (349585943).

The spelling of 144144502 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred two".

Divisors: 1 2 431 862 167221 334442 72072251 144144502