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145360643 = 3171211313
BaseRepresentation
bin10001010101000…
…00011100000011
3101010112002022112
420222200130003
5244203020033
622231325535
73413354651
oct1052403403
9333462275
10145360643
117506366a
12408208ab
132416631c
141543bdd1
15cb64c48
hex8aa0703

145360643 has 16 divisors (see below), whose sum is σ = 153372672. Its totient is φ = 137592000.

The previous prime is 145360637. The next prime is 145360651. The reversal of 145360643 is 346063541.

It is a cyclic number.

It is not a de Polignac number, because 145360643 - 24 = 145360627 is a prime.

It is a super-2 number, since 2×1453606432 = 42259433066746898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145362643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464255 + ... + 464567.

It is an arithmetic number, because the mean of its divisors is an integer number (9585792).

Almost surely, 2145360643 is an apocalyptic number.

145360643 is a deficient number, since it is larger than the sum of its proper divisors (8012029).

145360643 is a wasteful number, since it uses less digits than its factorization.

145360643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 145360643 is about 12056.5601644914. The cubic root of 145360643 is about 525.7939828941.

The spelling of 145360643 in words is "one hundred forty-five million, three hundred sixty thousand, six hundred forty-three".

Divisors: 1 31 71 211 313 2201 6541 9703 14981 22223 66043 464411 688913 2047333 4689053 145360643