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145101233 = 1997131601
BaseRepresentation
bin10001010011000…
…01000110110001
3101010000220110202
420221201012301
5244121214413
622222004545
73411224444
oct1051410661
9333026422
10145101233
11749a6782
1240716755
13240a5224
14153b165b
15cb12e58
hex8a611b1

145101233 has 16 divisors (see below), whose sum is σ = 155749440. Its totient is φ = 134784000.

The previous prime is 145101223. The next prime is 145101269. The reversal of 145101233 is 332101541.

It is a cyclic number.

It is not a de Polignac number, because 145101233 - 212 = 145097137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145101223) 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 15 ways as a sum of consecutive naturals, for example, 241133 + ... + 241733.

It is an arithmetic number, because the mean of its divisors is an integer number (9734340).

Almost surely, 2145101233 is an apocalyptic number.

It is an amenable number.

145101233 is a deficient number, since it is larger than the sum of its proper divisors (10648207).

145101233 is a wasteful number, since it uses less digits than its factorization.

145101233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 145101233 is about 12045.7973169068. The cubic root of 145101233 is about 525.4810200632.

Adding to 145101233 its reverse (332101541), we get a palindrome (477202774).

The spelling of 145101233 in words is "one hundred forty-five million, one hundred one thousand, two hundred thirty-three".

Divisors: 1 19 97 131 601 1843 2489 11419 12707 58297 78731 241433 1107643 1495889 7636907 145101233