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144450302 = 272225151
BaseRepresentation
bin10001001110000…
…10001011111110
3101001210211120012
420213002023332
5243434402202
622200023222
73402543623
oct1047021376
9331724505
10144450302
11745a1717
1240461b12
1323c07b69
141528234a
15ca35152
hex89c22fe

144450302 has 4 divisors (see below), whose sum is σ = 216675456. Its totient is φ = 72225150.

The previous prime is 144450269. The next prime is 144450307. The reversal of 144450302 is 203054441.

144450302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203054441 = 877231533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144450307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36112574 + ... + 36112577.

It is an arithmetic number, because the mean of its divisors is an integer number (54168864).

Almost surely, 2144450302 is an apocalyptic number.

144450302 is a deficient number, since it is larger than the sum of its proper divisors (72225154).

144450302 is an equidigital number, since it uses as much as digits as its factorization.

144450302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72225153.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144450302 is about 12018.7479381173. The cubic root of 144450302 is about 524.6940645371.

The spelling of 144450302 in words is "one hundred forty-four million, four hundred fifty thousand, three hundred two".

Divisors: 1 2 72225151 144450302