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145112401 = 743482101
BaseRepresentation
bin10001010011000…
…11110101010001
3101010001110210101
420221203311101
5244122044101
622222132401
73411302140
oct1051436521
9333043711
10145112401
1174a04105
1240721101
13240aa335
14153b5757
15cb16401
hex8a63d51

145112401 has 8 divisors (see below), whose sum is σ = 169699904. Its totient is φ = 121489200.

The previous prime is 145112399. The next prime is 145112413. The reversal of 145112401 is 104211541.

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

It is not a de Polignac number, because 145112401 - 21 = 145112399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145112501) 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, 240750 + ... + 241351.

It is an arithmetic number, because the mean of its divisors is an integer number (21212488).

Almost surely, 2145112401 is an apocalyptic number.

It is an amenable number.

145112401 is a deficient number, since it is larger than the sum of its proper divisors (24587503).

145112401 is an equidigital number, since it uses as much as digits as its factorization.

145112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482151.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 145112401 is about 12046.2608721545. The cubic root of 145112401 is about 525.4945012752.

Adding to 145112401 its reverse (104211541), we get a palindrome (249323942).

The spelling of 145112401 in words is "one hundred forty-five million, one hundred twelve thousand, four hundred one".

Divisors: 1 7 43 301 482101 3374707 20730343 145112401