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145534790 = 2517432463
BaseRepresentation
bin10001010110010…
…10111101000110
3101010211221012102
420223022331012
5244224103130
622235152102
73415011452
oct1053127506
9333757172
10145534790
1175172495
12408a5632
13241c767b
1415485662
15cb9b645
hex8acaf46

145534790 has 48 divisors (see below), whose sum is σ = 284586048. Its totient is φ = 53399808.

The previous prime is 145534783. The next prime is 145534793. The reversal of 145534790 is 97435541.

145534790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145534793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314099 + ... + 314561.

It is an arithmetic number, because the mean of its divisors is an integer number (5928876).

Almost surely, 2145534790 is an apocalyptic number.

145534790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145534790 is a deficient number, since it is larger than the sum of its proper divisors (139051258).

145534790 is a wasteful number, since it uses less digits than its factorization.

145534790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 145534790 is about 12063.7800875182. The cubic root of 145534790 is about 526.0038721300.

The spelling of 145534790 in words is "one hundred forty-five million, five hundred thirty-four thousand, seven hundred ninety".

Divisors: 1 2 5 10 17 34 43 85 86 170 215 430 463 731 926 1462 1849 2315 3655 3698 4630 7310 7871 9245 15742 18490 19909 31433 39355 39818 62866 78710 99545 157165 199090 314330 338453 676906 856087 1692265 1712174 3384530 4280435 8560870 14553479 29106958 72767395 145534790