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945145 = 5421449
BaseRepresentation
bin11100110101111111001
31210000111101
43212233321
5220221040
632131401
711014345
oct3465771
91700441
10945145
11596113
12396b61
13271276
141a8625
1513a09a
hexe6bf9

945145 has 8 divisors (see below), whose sum is σ = 1139400. Its totient is φ = 752640.

The previous prime is 945143. The next prime is 945151. The reversal of 945145 is 541549.

It can be written as a sum of positive squares in 4 ways, for example, as 361 + 944784 = 19^2 + 972^2 .

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

It is not a de Polignac number, because 945145 - 21 = 945143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (142425).

2945145 is an apocalyptic number.

It is an amenable number.

945145 is a deficient number, since it is larger than the sum of its proper divisors (194255).

945145 is a wasteful number, since it uses less digits than its factorization.

945145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875.

The product of its digits is 3600, while the sum is 28.

The square root of 945145 is about 972.1856818530. The cubic root of 945145 is about 98.1370081454.

It can be divided in two parts, 9 and 45145, that added together give a palindrome (45154).

The spelling of 945145 in words is "nine hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 421 449 2105 2245 189029 945145