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145304301 = 3225121517
BaseRepresentation
bin10001010100100…
…10101011101101
3101010102020000210
420222102223231
5244144214201
622230213033
73413031462
oct1052225355
9333366023
10145304301
11750252aa
12407b4179
132414679c
1415425669
15cb531d6
hex8a92aed

145304301 has 8 divisors (see below), whose sum is σ = 193834144. Its totient is φ = 96822000.

The previous prime is 145304293. The next prime is 145304311. The reversal of 145304301 is 103403541.

145304301 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 not a de Polignac number, because 145304301 - 23 = 145304293 is a prime.

It is a super-2 number, since 2×1453043012 = 42226679778197202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145304311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4006 + ... + 17511.

It is an arithmetic number, because the mean of its divisors is an integer number (24229268).

Almost surely, 2145304301 is an apocalyptic number.

It is an amenable number.

145304301 is a deficient number, since it is larger than the sum of its proper divisors (48529843).

145304301 is a wasteful number, since it uses less digits than its factorization.

145304301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23771.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 145304301 is about 12054.2233677662. The cubic root of 145304301 is about 525.7260412737.

Adding to 145304301 its reverse (103403541), we get a palindrome (248707842).

The spelling of 145304301 in words is "one hundred forty-five million, three hundred four thousand, three hundred one".

Divisors: 1 3 2251 6753 21517 64551 48434767 145304301