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1145137 = 7179623
BaseRepresentation
bin100010111100100110001
32011011211111
410113210301
5243121022
640313321
712506410
oct4274461
92134744
101145137
117123a4
12472841
133112c6
1421b477
15179477
hex117931

1145137 has 8 divisors (see below), whose sum is σ = 1385856. Its totient is φ = 923712.

The previous prime is 1145129. The next prime is 1145141. The reversal of 1145137 is 7315411.

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

It is not a de Polignac number, because 1145137 - 23 = 1145129 is a prime.

It is a super-2 number, since 2×11451372 = 2622677497538, which contains 22 as substring.

It is a Duffinian number.

1145137 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145107) 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, 4693 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (173232).

21145137 is an apocalyptic number.

1145137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1145137 is a deficient number, since it is larger than the sum of its proper divisors (240719).

1145137 is an equidigital number, since it uses as much as digits as its factorization.

1145137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647.

The product of its digits is 420, while the sum is 22.

The square root of 1145137 is about 1070.1107419328. The cubic root of 1145137 is about 104.6210679887.

The spelling of 1145137 in words is "one million, one hundred forty-five thousand, one hundred thirty-seven".

Divisors: 1 7 17 119 9623 67361 163591 1145137