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145420314 = 23131864363
BaseRepresentation
bin10001010101011…
…11000000011010
3101010122010011120
420222233000122
5244211422224
622232510110
73414023634
oct1052570032
9333563146
10145420314
11750a4486
124084b336
1324187530
1415455a54
15cb77779
hex8aaf01a

145420314 has 16 divisors (see below), whose sum is σ = 313213152. Its totient is φ = 44744688.

The previous prime is 145420313. The next prime is 145420337. The reversal of 145420314 is 413024541.

It is a super-2 number, since 2×1454203142 = 42294135447717192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145420313) 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, 932104 + ... + 932259.

It is an arithmetic number, because the mean of its divisors is an integer number (19575822).

Almost surely, 2145420314 is an apocalyptic number.

145420314 is an abundant number, since it is smaller than the sum of its proper divisors (167792838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145420314 is a wasteful number, since it uses less digits than its factorization.

145420314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864381.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145420314 is about 12059.0345384695. The cubic root of 145420314 is about 525.8659197447.

Adding to 145420314 its reverse (413024541), we get a palindrome (558444855).

The spelling of 145420314 in words is "one hundred forty-five million, four hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 1864363 3728726 5593089 11186178 24236719 48473438 72710157 145420314