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145015100 = 22521785303
BaseRepresentation
bin10001010010011…
…00000100111100
3101002212112022122
420221030010330
5244110440400
622220102112
73410415356
oct1051140474
9332775278
10145015100
1174947a9a
1240694938
1324074c69
141538c0d6
15cae7685
hex8a4c13c

145015100 has 36 divisors (see below), whose sum is σ = 333197424. Its totient is φ = 54593280.

The previous prime is 145015063. The next prime is 145015103. The reversal of 145015100 is 1510541.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145015103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40952 + ... + 44351.

It is an arithmetic number, because the mean of its divisors is an integer number (9255484).

Almost surely, 2145015100 is an apocalyptic number.

145015100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145015100 is an abundant number, since it is smaller than the sum of its proper divisors (188182324).

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

145015100 is a wasteful number, since it uses less digits than its factorization.

145015100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85334 (or 85327 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 145015100 is about 12042.2215558426. The cubic root of 145015100 is about 525.3770232087.

Adding to 145015100 its reverse (1510541), we get a palindrome (146525641).

The spelling of 145015100 in words is "one hundred forty-five million, fifteen thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 85303 170606 341212 426515 853030 1450151 1706060 2132575 2900302 4265150 5800604 7250755 8530300 14501510 29003020 36253775 72507550 145015100