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145253113 = 798812087
BaseRepresentation
bin10001010100001…
…10001011111001
3101010022121210221
420222012023321
5244141044423
622225140041
73412426315
oct1052061371
9333277727
10145253113
1174a9a8a5
124078a621
13241293b5
1415410b45
15cb42e5d
hex8a862f9

145253113 has 8 divisors (see below), whose sum is σ = 147329280. Its totient is φ = 143183040.

The previous prime is 145253051. The next prime is 145253131. The reversal of 145253113 is 311352541.

It is a happy number.

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 145253113 - 225 = 111698681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145253153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68556 + ... + 70642.

It is an arithmetic number, because the mean of its divisors is an integer number (18416160).

Almost surely, 2145253113 is an apocalyptic number.

It is an amenable number.

145253113 is a deficient number, since it is larger than the sum of its proper divisors (2076167).

145253113 is an equidigital number, since it uses as much as digits as its factorization.

145253113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047.

The product of its digits is 1800, while the sum is 25.

The square root of 145253113 is about 12052.0999415040. The cubic root of 145253113 is about 525.6642995241.

The spelling of 145253113 in words is "one hundred forty-five million, two hundred fifty-three thousand, one hundred thirteen".

Divisors: 1 79 881 2087 69599 164873 1838647 145253113