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1145207041 = 113863997
BaseRepresentation
bin100010001000010…
…0111100100000001
32221210220112201121
41010100213210001
54321133111131
6305345432241
740244046016
oct10420474401
92853815647
101145207041
11538492000
1227b63b681
1315334b604
14ac14970d
156a815911
hex44427901

1145207041 has 16 divisors (see below), whose sum is σ = 1262366208. Its totient is φ = 1038847920.

The previous prime is 1145207033. The next prime is 1145207047. The reversal of 1145207041 is 1407025411.

It is not a de Polignac number, because 1145207041 - 23 = 1145207033 is a prime.

It is a super-2 number, since 2×11452070412 = 2622998333511951362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145206997 and 1145207015.

It is not an unprimeable number, because it can be changed into a prime (1145207047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148155 + ... + 1149151.

It is an arithmetic number, because the mean of its divisors is an integer number (78897888).

Almost surely, 21145207041 is an apocalyptic number.

1145207041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1145207041 is a deficient number, since it is larger than the sum of its proper divisors (117159167).

1145207041 is an frugal number, since it uses more digits than its factorization.

1145207041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1145207041 is about 33840.9078040173. The cubic root of 1145207041 is about 1046.2320095474.

The spelling of 1145207041 in words is "one billion, one hundred forty-five million, two hundred seven thousand, forty-one".

Divisors: 1 11 121 863 997 1331 9493 10967 104423 120637 860411 1148653 1327007 9464521 104109731 1145207041