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145357071 = 3438811279
BaseRepresentation
bin10001010100111…
…11100100001111
3101010111220102020
420222133210033
5244202411241
622231301223
73413341356
oct1052374417
9333456366
10145357071
1175060a12
124081a813
1324164802
141543a99d
15cb63b66
hex8a9f90f

145357071 has 16 divisors (see below), whose sum is σ = 198696960. Its totient is φ = 94469760.

The previous prime is 145357057. The next prime is 145357073. The reversal of 145357071 is 170753541.

It is not a de Polignac number, because 145357071 - 210 = 145356047 is a prime.

It is a super-2 number, since 2×1453570712 = 42257356179398082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145357073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113010 + ... + 114288.

It is an arithmetic number, because the mean of its divisors is an integer number (12418560).

Almost surely, 2145357071 is an apocalyptic number.

145357071 is a deficient number, since it is larger than the sum of its proper divisors (53339889).

145357071 is a wasteful number, since it uses less digits than its factorization.

145357071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 145357071 is about 12056.4120284602. The cubic root of 145357071 is about 525.7896760165.

The spelling of 145357071 in words is "one hundred forty-five million, three hundred fifty-seven thousand, seventy-one".

Divisors: 1 3 43 129 881 1279 2643 3837 37883 54997 113649 164991 1126799 3380397 48452357 145357071