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145545655 = 548176043
BaseRepresentation
bin10001010110011…
…01100110110111
3101010212111002211
420223031212313
5244224430110
622235314251
73415055233
oct1053154667
9333774084
10145545655
117517a672
12408ab987
13241cc5b8
14154895c3
15cb9e98a
hex8acd9b7

145545655 has 8 divisors (see below), whose sum is σ = 174719952. Its totient is φ = 116393088.

The previous prime is 145545637. The next prime is 145545661. The reversal of 145545655 is 556545541.

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 145545655 - 25 = 145545623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21064 + ... + 27106.

It is an arithmetic number, because the mean of its divisors is an integer number (21839994).

Almost surely, 2145545655 is an apocalyptic number.

145545655 is a deficient number, since it is larger than the sum of its proper divisors (29174297).

145545655 is an equidigital number, since it uses as much as digits as its factorization.

145545655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865.

The product of its digits is 300000, while the sum is 40.

The square root of 145545655 is about 12064.2303940202. The cubic root of 145545655 is about 526.0169615314.

The spelling of 145545655 in words is "one hundred forty-five million, five hundred forty-five thousand, six hundred fifty-five".

Divisors: 1 5 4817 6043 24085 30215 29109131 145545655