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145103453 = 1153248891
BaseRepresentation
bin10001010011000…
…01101001011101
3101010001000111222
420221201221131
5244121302303
622222023125
73411234065
oct1051415135
9333030458
10145103453
11749a8410
1240717aa5
13240a6241
14153b23a5
15cb13938
hex8a61a5d

145103453 has 8 divisors (see below), whose sum is σ = 161282016. Its totient is φ = 129422800.

The previous prime is 145103447. The next prime is 145103459. The reversal of 145103453 is 354301541.

It is an interprime number because it is at equal distance from previous prime (145103447) and next prime (145103459).

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-145103453 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 (145103459) 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, 123863 + ... + 125028.

It is an arithmetic number, because the mean of its divisors is an integer number (20160252).

Almost surely, 2145103453 is an apocalyptic number.

It is an amenable number.

145103453 is a deficient number, since it is larger than the sum of its proper divisors (16178563).

145103453 is a wasteful number, since it uses less digits than its factorization.

145103453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248955.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145103453 is about 12045.8894648756. The cubic root of 145103453 is about 525.4836999437.

Adding to 145103453 its reverse (354301541), we get a palindrome (499404994).

The spelling of 145103453 in words is "one hundred forty-five million, one hundred three thousand, four hundred fifty-three".

Divisors: 1 11 53 583 248891 2737801 13191223 145103453