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1445443023 = 31373516893
BaseRepresentation
bin101011000100111…
…1011010111001111
310201201212010001210
41112021323113033
510430013134043
6355232505503
750551030413
oct12611732717
93651763053
101445443023
11681a07812
123440ab293
131a05cc93b
14d9d80d43
1586d6e633
hex5627b5cf

1445443023 has 8 divisors (see below), whose sum is σ = 1941325488. Its totient is φ = 956594624.

The previous prime is 1445443001. The next prime is 1445443039. The reversal of 1445443023 is 3203445441.

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

It is a cyclic number.

It is not a de Polignac number, because 1445443023 - 26 = 1445442959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445443093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758036 + ... + 1758857.

It is an arithmetic number, because the mean of its divisors is an integer number (242665686).

Almost surely, 21445443023 is an apocalyptic number.

1445443023 is a deficient number, since it is larger than the sum of its proper divisors (495882465).

1445443023 is a wasteful number, since it uses less digits than its factorization.

1445443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517033.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1445443023 is about 38018.9824035310. The cubic root of 1445443023 is about 1130.6642459504.

Adding to 1445443023 its reverse (3203445441), we get a palindrome (4648888464).

The spelling of 1445443023 in words is "one billion, four hundred forty-five million, four hundred forty-three thousand, twenty-three".

Divisors: 1 3 137 411 3516893 10550679 481814341 1445443023