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145111245 = 3510195783
BaseRepresentation
bin10001010011000…
…11100011001101
3101010001102012120
420221203203031
5244122024440
622222123153
73411265566
oct1051434315
9333042176
10145111245
1174a03254
12407204b9
13240a9956
14153b516d
15cb15dd0
hex8a638cd

145111245 has 16 divisors (see below), whose sum is σ = 234479232. Its totient is φ = 76625600.

The previous prime is 145111223. The next prime is 145111247. The reversal of 145111245 is 542111541.

It is not a de Polignac number, because 145111245 - 28 = 145110989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145111247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46377 + ... + 49406.

It is an arithmetic number, because the mean of its divisors is an integer number (14654952).

Almost surely, 2145111245 is an apocalyptic number.

145111245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145111245 is a deficient number, since it is larger than the sum of its proper divisors (89367987).

145111245 is a wasteful number, since it uses less digits than its factorization.

145111245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95892.

The product of its digits is 800, while the sum is 24.

The square root of 145111245 is about 12046.2128903652. The cubic root of 145111245 is about 525.4931058667.

Adding to 145111245 its reverse (542111541), we get a palindrome (687222786).

The spelling of 145111245 in words is "one hundred forty-five million, one hundred eleven thousand, two hundred forty-five".

Divisors: 1 3 5 15 101 303 505 1515 95783 287349 478915 1436745 9674083 29022249 48370415 145111245