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145314015 = 35711125813
BaseRepresentation
bin10001010100101…
…01000011011111
3101010102201100120
420222111003133
5244200022030
622230330023
73413102010
oct1052250337
9333381316
10145314015
1175031630
12407b9913
132414b032
1415429007
15cb56010
hex8a950df

145314015 has 32 divisors (see below), whose sum is σ = 289875456. Its totient is φ = 60389760.

The previous prime is 145314007. The next prime is 145314031. The reversal of 145314015 is 510413541.

It is a happy number.

145314015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145314015 - 23 = 145314007 is a prime.

It is a super-2 number, since 2×1453140152 = 42232325910840450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61752 + ... + 64061.

It is an arithmetic number, because the mean of its divisors is an integer number (9058608).

Almost surely, 2145314015 is an apocalyptic number.

145314015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145314015 is a deficient number, since it is larger than the sum of its proper divisors (144561441).

145314015 is a wasteful number, since it uses less digits than its factorization.

145314015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125839.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 145314015 is about 12054.6262903501. The cubic root of 145314015 is about 525.7377564327.

Adding to 145314015 its reverse (510413541), we get a palindrome (655727556).

The spelling of 145314015 in words is "one hundred forty-five million, three hundred fourteen thousand, fifteen".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 125813 377439 629065 880691 1383943 1887195 2642073 4151829 4403455 6919715 9687601 13210365 20759145 29062803 48438005 145314015