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144749795 = 528949959
BaseRepresentation
bin10001010000010…
…11010011100011
3101002101001101112
420220023103203
5244023443140
622210253535
73405232031
oct1050132343
9332331345
10144749795
1174786733
12405872ab
1323cb1288
141531d551
15ca93c65
hex8a0b4e3

144749795 has 4 divisors (see below), whose sum is σ = 173699760. Its totient is φ = 115799832.

The previous prime is 144749789. The next prime is 144749797. The reversal of 144749795 is 597947441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144749795 - 220 = 143701219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144749797) 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, 14474975 + ... + 14474984.

It is an arithmetic number, because the mean of its divisors is an integer number (43424940).

Almost surely, 2144749795 is an apocalyptic number.

144749795 is a deficient number, since it is larger than the sum of its proper divisors (28949965).

144749795 is an equidigital number, since it uses as much as digits as its factorization.

144749795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28949964.

The product of its digits is 1270080, while the sum is 50.

The square root of 144749795 is about 12031.2008960037. The cubic root of 144749795 is about 525.0564353542.

The spelling of 144749795 in words is "one hundred forty-four million, seven hundred forty-nine thousand, seven hundred ninety-five".

Divisors: 1 5 28949959 144749795