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145562344 = 23198811087
BaseRepresentation
bin10001010110100…
…01101011101000
3101010220022222221
420223101223220
5244230443334
622235523424
73415155004
oct1053215350
9333808887
10145562344
1175191164
12408b9574
1324207085
1415491704
15cba48b4
hex8ad1ae8

145562344 has 32 divisors (see below), whose sum is σ = 287884800. Its totient is φ = 68808960.

The previous prime is 145562321. The next prime is 145562357. The reversal of 145562344 is 443265541.

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, 133369 + ... + 134455.

It is an arithmetic number, because the mean of its divisors is an integer number (8996400).

Almost surely, 2145562344 is an apocalyptic number.

It is an amenable number.

145562344 is a deficient number, since it is larger than the sum of its proper divisors (142322456).

145562344 is a wasteful number, since it uses less digits than its factorization.

145562344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1989 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 145562344 is about 12064.9220469923. The cubic root of 145562344 is about 526.0370660170.

It can be divided in two parts, 14556 and 2344, that added together give a square (16900 = 1302).

The spelling of 145562344 in words is "one hundred forty-five million, five hundred sixty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 881 1087 1762 2174 3524 4348 7048 8696 16739 20653 33478 41306 66956 82612 133912 165224 957647 1915294 3830588 7661176 18195293 36390586 72781172 145562344