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145103105423 = 1071453933313
BaseRepresentation
bin1000011100100011010…
…0011010110110001111
3111212112111002111100202
42013020310122312033
54334132343333143
6150354235044115
713324535021453
oct2071064326617
9455474074322
10145103105423
11565a0a13841
12241568a063b
13108b5bb09c3
14704728c663
153b93c42ab8
hex21c8d1ad8f

145103105423 has 8 divisors (see below), whose sum is σ = 146560164048. Its totient is φ = 143647916544.

The previous prime is 145103105347. The next prime is 145103105489. The reversal of 145103105423 is 324501301541.

145103105423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145103105423 - 214 = 145103089039 is a prime.

It is a super-2 number, since 2×1451031054232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145103105723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311186 + ... + 622127.

It is an arithmetic number, because the mean of its divisors is an integer number (18320020506).

Almost surely, 2145103105423 is an apocalyptic number.

145103105423 is a deficient number, since it is larger than the sum of its proper divisors (1457058625).

145103105423 is a wasteful number, since it uses less digits than its factorization.

145103105423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934873.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 145103105423 its reverse (324501301541), we get a palindrome (469604406964).

The spelling of 145103105423 in words is "one hundred forty-five billion, one hundred three million, one hundred five thousand, four hundred twenty-three".

Divisors: 1 107 1453 155471 933313 99864491 1356103789 145103105423