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145429279 is a prime number
BaseRepresentation
bin10001010101100…
…01001100011111
3101010122120110121
420222301030133
5244212214104
622233015411
73414062032
oct1052611437
9333576417
10145429279
1175100196
1240854567
132418b638
1415459019
15cb7a254
hex8ab131f

145429279 has 2 divisors, whose sum is σ = 145429280. Its totient is φ = 145429278.

The previous prime is 145429267. The next prime is 145429301. The reversal of 145429279 is 972924541.

145429279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145429279 - 25 = 145429247 is a prime.

It is a super-2 number, since 2×1454292792 = 42299350380919682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145429259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72714639 + 72714640.

It is an arithmetic number, because the mean of its divisors is an integer number (72714640).

Almost surely, 2145429279 is an apocalyptic number.

145429279 is a deficient number, since it is larger than the sum of its proper divisors (1).

145429279 is an equidigital number, since it uses as much as digits as its factorization.

145429279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 145429279 is about 12059.4062457486. The cubic root of 145429279 is about 525.8767258716.

The spelling of 145429279 in words is "one hundred forty-five million, four hundred twenty-nine thousand, two hundred seventy-nine".