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1145301497 = 7122377211
BaseRepresentation
bin100010001000011…
…1110100111111001
32221211002100021222
41010100332213321
54321144121442
6305351441425
740244621264
oct10420764771
92854070258
101145301497
11538546a6a
1227b686275
131533825c2
14ac171cdb
156a8338d2
hex4443e9f9

1145301497 has 8 divisors (see below), whose sum is σ = 1162112832. Its totient is φ = 1128509200.

The previous prime is 1145301439. The next prime is 1145301523. The reversal of 1145301497 is 7941035411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1145301497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145301427) 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, 155222 + ... + 162432.

It is an arithmetic number, because the mean of its divisors is an integer number (145264104).

Almost surely, 21145301497 is an apocalyptic number.

It is an amenable number.

1145301497 is a deficient number, since it is larger than the sum of its proper divisors (16811335).

1145301497 is an equidigital number, since it uses as much as digits as its factorization.

1145301497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1145301497 is about 33842.3033642806. The cubic root of 1145301497 is about 1046.2607729559.

The spelling of 1145301497 in words is "one billion, one hundred forty-five million, three hundred one thousand, four hundred ninety-seven".

Divisors: 1 71 2237 7211 158827 511981 16131007 1145301497