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145458345 = 3529334387
BaseRepresentation
bin10001010101110…
…00010010101001
3101010201001100010
420222320102221
5244214131340
622233402133
73414242544
oct1052702251
9333631303
10145458345
117512000a
1240869349
132419b936
141546585b
15cb83b80
hex8ab84a9

145458345 has 16 divisors (see below), whose sum is σ = 240759360. Its totient is φ = 74902464.

The previous prime is 145458331. The next prime is 145458347. The reversal of 145458345 is 543854541.

It is not a de Polignac number, because 145458345 - 216 = 145392809 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145458347) 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, 166759 + ... + 167628.

It is an arithmetic number, because the mean of its divisors is an integer number (15047460).

Almost surely, 2145458345 is an apocalyptic number.

145458345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145458345 is a deficient number, since it is larger than the sum of its proper divisors (95301015).

145458345 is a wasteful number, since it uses less digits than its factorization.

145458345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334424.

The product of its digits is 192000, while the sum is 39.

The square root of 145458345 is about 12060.6113029150. The cubic root of 145458345 is about 525.9117580532.

The spelling of 145458345 in words is "one hundred forty-five million, four hundred fifty-eight thousand, three hundred forty-five".

Divisors: 1 3 5 15 29 87 145 435 334387 1003161 1671935 5015805 9697223 29091669 48486115 145458345