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145304302 = 21121346187
BaseRepresentation
bin10001010100100…
…10101011101110
3101010102020000211
420222102223232
5244144214202
622230213034
73413031463
oct1052225356
9333366024
10145304302
1175025300
12407b417a
13241467a0
141542566a
15cb531d7
hex8a92aee

145304302 has 24 divisors (see below), whose sum is σ = 258006168. Its totient is φ = 60965520.

The previous prime is 145304293. The next prime is 145304311. The reversal of 145304302 is 203403541.

145304302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145304293) and next prime (145304311).

It is a super-2 number, since 2×1453043022 = 42226680359414408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19948 + ... + 26239.

It is an arithmetic number, because the mean of its divisors is an integer number (10750257).

Almost surely, 2145304302 is an apocalyptic number.

145304302 is a deficient number, since it is larger than the sum of its proper divisors (112701866).

145304302 is a wasteful number, since it uses less digits than its factorization.

145304302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46224 (or 46213 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 145304302 is about 12054.2234092454. The cubic root of 145304302 is about 525.7260424797.

Adding to 145304302 its reverse (203403541), we get a palindrome (348707843).

The spelling of 145304302 in words is "one hundred forty-five million, three hundred four thousand, three hundred two".

Divisors: 1 2 11 13 22 26 121 143 242 286 1573 3146 46187 92374 508057 600431 1016114 1200862 5588627 6604741 11177254 13209482 72652151 145304302