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145426652 = 22743911831
BaseRepresentation
bin10001010101100…
…00100011011100
3101010122102212022
420222300203130
5244212123102
622232555312
73414051260
oct1052604334
9333572768
10145426652
11750a9218
1240852b38
132418a397
14154580a0
15cb795a2
hex8ab08dc

145426652 has 24 divisors (see below), whose sum is σ = 291540480. Its totient is φ = 62178480.

The previous prime is 145426643. The next prime is 145426657. The reversal of 145426652 is 256624541.

It is a super-2 number, since 2×1454266522 = 42297822223858208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145426657) 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, 6377 + ... + 18207.

It is an arithmetic number, because the mean of its divisors is an integer number (12147520).

Almost surely, 2145426652 is an apocalyptic number.

It is an amenable number.

145426652 is an abundant number, since it is smaller than the sum of its proper divisors (146113828).

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

145426652 is a wasteful number, since it uses less digits than its factorization.

145426652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281 (or 12279 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 145426652 is about 12059.2973261297. The cubic root of 145426652 is about 525.8735594151.

The spelling of 145426652 in words is "one hundred forty-five million, four hundred twenty-six thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 439 878 1756 3073 6146 11831 12292 23662 47324 82817 165634 331268 5193809 10387618 20775236 36356663 72713326 145426652