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145500100 = 22521976579
BaseRepresentation
bin10001010110000…
…10011111000100
3101010210011121121
420223002133010
5244222000400
622234323324
73414505354
oct1053023704
9333704547
10145500100
1175149419
1240889544
13241b4945
1415476b64
15cb9121a
hex8ac27c4

145500100 has 36 divisors (see below), whose sum is σ = 332357200. Its totient is φ = 55136160.

The previous prime is 145500073. The next prime is 145500101. The reversal of 145500100 is 1005541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145500101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36390 + ... + 40189.

Almost surely, 2145500100 is an apocalyptic number.

145500100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145500100 is an abundant number, since it is smaller than the sum of its proper divisors (186857100).

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

145500100 is a wasteful number, since it uses less digits than its factorization.

145500100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76612 (or 76605 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 145500100 is about 12062.3422269475. The cubic root of 145500100 is about 525.9620756535.

Adding to 145500100 its reverse (1005541), we get a palindrome (146505641).

The spelling of 145500100 in words is "one hundred forty-five million, five hundred thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 76579 153158 306316 382895 765790 1455001 1531580 1914475 2910002 3828950 5820004 7275005 7657900 14550010 29100020 36375025 72750050 145500100