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145145114 = 272572557
BaseRepresentation
bin10001010011010…
…11110100011010
3101010010010122222
420221223310122
5244124120424
622222544042
73411466412
oct1051536432
9333103588
10145145114
1174a26744
1240738022
13240bc1aa
14153c3642
15cb20e5e
hex8a6bd1a

145145114 has 4 divisors (see below), whose sum is σ = 217717674. Its totient is φ = 72572556.

The previous prime is 145145101. The next prime is 145145129. The reversal of 145145114 is 411541541.

145145114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411541541 = 478756203.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 13653025 = 11467^2 + 3695^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36286277 + ... + 36286280.

Almost surely, 2145145114 is an apocalyptic number.

145145114 is a deficient number, since it is larger than the sum of its proper divisors (72572560).

145145114 is an equidigital number, since it uses as much as digits as its factorization.

145145114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72572559.

The product of its digits is 1600, while the sum is 26.

The square root of 145145114 is about 12047.6186028609. The cubic root of 145145114 is about 525.5339860927.

Adding to 145145114 its reverse (411541541), we get a palindrome (556686655).

The spelling of 145145114 in words is "one hundred forty-five million, one hundred forty-five thousand, one hundred fourteen".

Divisors: 1 2 72572557 145145114