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145375382 = 272687691
BaseRepresentation
bin10001010101001…
…00000010010110
3101010112211112102
420222210002112
5244204003012
622231522102
73413445635
oct1052440226
9333484472
10145375382
1175073749
1240829332
132416cc49
141544351c
15cb692c2
hex8aa4096

145375382 has 4 divisors (see below), whose sum is σ = 218063076. Its totient is φ = 72687690.

The previous prime is 145375379. The next prime is 145375393. The reversal of 145375382 is 283573541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1453753822 = 42268003383291848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36343844 + ... + 36343847.

It is an arithmetic number, because the mean of its divisors is an integer number (54515769).

Almost surely, 2145375382 is an apocalyptic number.

145375382 is a deficient number, since it is larger than the sum of its proper divisors (72687694).

145375382 is an equidigital number, since it uses as much as digits as its factorization.

145375382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72687693.

The product of its digits is 100800, while the sum is 38.

The square root of 145375382 is about 12057.1713929926. The cubic root of 145375382 is about 525.8117534438.

The spelling of 145375382 in words is "one hundred forty-five million, three hundred seventy-five thousand, three hundred eighty-two".

Divisors: 1 2 72687691 145375382