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145873046 = 2117618713
BaseRepresentation
bin10001011000111…
…01100010010110
3101011111010012102
420230131202112
5244320414141
622250322102
73420620564
oct1054354226
9334433172
10145873046
1175383640
1240a29332
13242b5617
1415532a34
15cc1699b
hex8b1d896

145873046 has 16 divisors (see below), whose sum is σ = 239042448. Its totient is φ = 66211200.

The previous prime is 145873031. The next prime is 145873087. The reversal of 145873046 is 640378541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12386 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (14940153).

Almost surely, 2145873046 is an apocalyptic number.

145873046 is a deficient number, since it is larger than the sum of its proper divisors (93169402).

145873046 is a wasteful number, since it uses less digits than its factorization.

145873046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 145873046 is about 12077.7914371792. The cubic root of 145873046 is about 526.4110744176.

The spelling of 145873046 in words is "one hundred forty-five million, eight hundred seventy-three thousand, forty-six".

Divisors: 1 2 11 22 761 1522 8371 8713 16742 17426 95843 191686 6630593 13261186 72936523 145873046