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145303022 = 2137530303
BaseRepresentation
bin10001010100100…
…10010111101110
3101010102011021102
420222102113232
5244144144042
622230203102
73413024654
oct1052222756
9333364242
10145303022
1175024347
12407b3492
1324146027
1415424dd4
15cb52b32
hex8a925ee

145303022 has 8 divisors (see below), whose sum is σ = 219545856. Its totient is φ = 72121072.

The previous prime is 145303001. The next prime is 145303031. The reversal of 145303022 is 220303541.

It is a happy number.

145303022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×1453030223 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 145302985 and 145303003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264878 + ... + 265425.

It is an arithmetic number, because the mean of its divisors is an integer number (27443232).

Almost surely, 2145303022 is an apocalyptic number.

145303022 is a deficient number, since it is larger than the sum of its proper divisors (74242834).

145303022 is a wasteful number, since it uses less digits than its factorization.

145303022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530442.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 145303022 is about 12054.1703157040. The cubic root of 145303022 is about 525.7244987509.

Adding to 145303022 its reverse (220303541), we get a palindrome (365606563).

The spelling of 145303022 in words is "one hundred forty-five million, three hundred three thousand, twenty-two".

Divisors: 1 2 137 274 530303 1060606 72651511 145303022