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162145103 = 971671599
BaseRepresentation
bin10011010101000…
…10001101001111
3102022002211021012
421222202031033
5313002120403
624031155435
74006132151
oct1152421517
9368084235
10162145103
118358801a
1246375b7b
1327791c63
141776aad1
15e37ced8
hex9aa234f

162145103 has 4 divisors (see below), whose sum is σ = 163816800. Its totient is φ = 160473408.

The previous prime is 162145079. The next prime is 162145121. The reversal of 162145103 is 301541261.

162145103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301541261 = 743077323.

It is a cyclic number.

It is not a de Polignac number, because 162145103 - 28 = 162144847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162145153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835703 + ... + 835896.

It is an arithmetic number, because the mean of its divisors is an integer number (40954200).

Almost surely, 2162145103 is an apocalyptic number.

162145103 is a deficient number, since it is larger than the sum of its proper divisors (1671697).

162145103 is an equidigital number, since it uses as much as digits as its factorization.

162145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671696.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 162145103 is about 12733.6209697006. The cubic root of 162145103 is about 545.2988883223.

Adding to 162145103 its reverse (301541261), we get a palindrome (463686364).

The spelling of 162145103 in words is "one hundred sixty-two million, one hundred forty-five thousand, one hundred three".

Divisors: 1 97 1671599 162145103