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145226101 = 1917942701
BaseRepresentation
bin10001010011111…
…11100101110101
3101010021020202111
420221333211311
5244134213401
622224411021
73412254466
oct1051774565
9333236674
10145226101
1174a81579
1240776a71
132411a007
1415404d6d
15cb39e51
hex8a7f975

145226101 has 8 divisors (see below), whose sum is σ = 153727200. Its totient is φ = 136810800.

The previous prime is 145226089. The next prime is 145226111. The reversal of 145226101 is 101622541.

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 145226101 - 27 = 145225973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145226111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17950 + ... + 24751.

It is an arithmetic number, because the mean of its divisors is an integer number (19215900).

Almost surely, 2145226101 is an apocalyptic number.

It is an amenable number.

145226101 is a deficient number, since it is larger than the sum of its proper divisors (8501099).

145226101 is a wasteful number, since it uses less digits than its factorization.

145226101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42899.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 145226101 is about 12050.9792548158. The cubic root of 145226101 is about 525.6317124444.

Adding to 145226101 its reverse (101622541), we get a palindrome (246848642).

The spelling of 145226101 in words is "one hundred forty-five million, two hundred twenty-six thousand, one hundred one".

Divisors: 1 19 179 3401 42701 811319 7643479 145226101