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145743764 = 22103353747
BaseRepresentation
bin10001010111111…
…01111110010100
3101011020112212012
420223331332110
5244302300024
622243443352
73416541635
oct1053757624
9334215765
10145743764
11752a54a1
1240986558
132426b81a
14154db88c
15cbdd50e
hex8afdf94

145743764 has 12 divisors (see below), whose sum is σ = 257528544. Its totient is φ = 72164184.

The previous prime is 145743721. The next prime is 145743779. The reversal of 145743764 is 467347541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176462 + ... + 177285.

It is an arithmetic number, because the mean of its divisors is an integer number (21460712).

Almost surely, 2145743764 is an apocalyptic number.

It is an amenable number.

145743764 is a deficient number, since it is larger than the sum of its proper divisors (111784780).

145743764 is a wasteful number, since it uses less digits than its factorization.

145743764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353854 (or 353852 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 145743764 is about 12072.4381961557. The cubic root of 145743764 is about 526.2555154268.

The spelling of 145743764 in words is "one hundred forty-five million, seven hundred forty-three thousand, seven hundred sixty-four".

Divisors: 1 2 4 103 206 412 353747 707494 1414988 36435941 72871882 145743764