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145045103 = 7173119773
BaseRepresentation
bin10001010010100…
…11011001101111
3101002221001110212
420221103121233
5244112420403
622220453035
73410602010
oct1051233157
9332831425
10145045103
1174968595
12406aa17b
1324085808
1415399007
15cb014d8
hex8a5366f

145045103 has 8 divisors (see below), whose sum is σ = 166725408. Its totient is φ = 123604704.

The previous prime is 145045099. The next prime is 145045111. The reversal of 145045103 is 301540541.

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 145045103 - 22 = 145045099 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 (145045123) 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, 58676 + ... + 61097.

It is an arithmetic number, because the mean of its divisors is an integer number (20840676).

Almost surely, 2145045103 is an apocalyptic number.

145045103 is a deficient number, since it is larger than the sum of its proper divisors (21680305).

145045103 is a wasteful number, since it uses less digits than its factorization.

145045103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119953.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145045103 is about 12043.4672333178. The cubic root of 145045103 is about 525.4132534584.

Adding to 145045103 its reverse (301540541), we get a palindrome (446585644).

The spelling of 145045103 in words is "one hundred forty-five million, forty-five thousand, one hundred three".

Divisors: 1 7 173 1211 119773 838411 20720729 145045103