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145200100 = 22522950069
BaseRepresentation
bin10001010011110…
…01001111100100
3101010012221002111
420221321033210
5244132400400
622224050404
73412115623
oct1051711744
9333187074
10145200100
1174a63a91
1240763a04
132410b226
14153d96ba
15cb323ba
hex8a793e4

145200100 has 36 divisors (see below), whose sum is σ = 325955700. Its totient is φ = 56076160.

The previous prime is 145200067. The next prime is 145200113. The reversal of 145200100 is 1002541.

145200100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 45796 + 145154304 = 214^2 + 12048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22135 + ... + 27934.

It is an arithmetic number, because the mean of its divisors is an integer number (9054325).

Almost surely, 2145200100 is an apocalyptic number.

145200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145200100 is an abundant number, since it is smaller than the sum of its proper divisors (180755600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145200100 is a wasteful number, since it uses less digits than its factorization.

145200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50112 (or 50105 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 145200100 is about 12049.9004145263. The cubic root of 145200100 is about 525.6003412107.

Adding to 145200100 its reverse (1002541), we get a palindrome (146202641).

The spelling of 145200100 in words is "one hundred forty-five million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 50069 100138 200276 250345 500690 1001380 1251725 1452001 2503450 2904002 5006900 5808004 7260005 14520010 29040020 36300025 72600050 145200100