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1145244541 = 7831971161
BaseRepresentation
bin100010001000011…
…0000101101111101
32221210222110011111
41010100300231331
54321140311131
6305350322021
740244263240
oct10420605575
92853873144
101145244541
115385081a1
1227b659311
131533626bc
14ac159257
156a821ab1
hex44430b7d

1145244541 has 8 divisors (see below), whose sum is σ = 1324620864. Its totient is φ = 969810720.

The previous prime is 1145244533. The next prime is 1145244553. The reversal of 1145244541 is 1454425411.

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 1145244541 - 23 = 1145244533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145244521) 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, 985000 + ... + 986161.

It is an arithmetic number, because the mean of its divisors is an integer number (165577608).

Almost surely, 21145244541 is an apocalyptic number.

It is an amenable number.

1145244541 is a deficient number, since it is larger than the sum of its proper divisors (179376323).

1145244541 is an equidigital number, since it uses as much as digits as its factorization.

1145244541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971251.

The product of its digits is 12800, while the sum is 31.

The square root of 1145244541 is about 33841.4618626324. The cubic root of 1145244541 is about 1046.2434291047.

Adding to 1145244541 its reverse (1454425411), we get a palindrome (2599669952).

The spelling of 1145244541 in words is "one billion, one hundred forty-five million, two hundred forty-four thousand, five hundred forty-one".

Divisors: 1 7 83 581 1971161 13798127 163606363 1145244541