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145024313 = 7113183343
BaseRepresentation
bin10001010010011…
…10010100111001
3101002212222221212
420221032110321
5244111234223
622220212505
73410454260
oct1051162471
9332788855
10145024313
1174953a05
124069a135
1324079205
14153915d7
15caea278
hex8a4e539

145024313 has 8 divisors (see below), whose sum is σ = 167209728. Its totient is φ = 123205824.

The previous prime is 145024307. The next prime is 145024333. The reversal of 145024313 is 313420541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145024313 - 28 = 145024057 is a prime.

It is a super-2 number, since 2×1450243132 = 42064102722243938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145024333) 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 7 ways as a sum of consecutive naturals, for example, 90881 + ... + 92462.

It is an arithmetic number, because the mean of its divisors is an integer number (20901216).

Almost surely, 2145024313 is an apocalyptic number.

It is an amenable number.

145024313 is a deficient number, since it is larger than the sum of its proper divisors (22185415).

145024313 is a wasteful number, since it uses less digits than its factorization.

145024313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183463.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 145024313 is about 12042.6040788527. The cubic root of 145024313 is about 525.3881489375.

Adding to 145024313 its reverse (313420541), we get a palindrome (458444854).

The spelling of 145024313 in words is "one hundred forty-five million, twenty-four thousand, three hundred thirteen".

Divisors: 1 7 113 791 183343 1283401 20717759 145024313