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145802234 = 2172252253
BaseRepresentation
bin10001011000011…
…00001111111010
3101011100112001202
420230030033322
5244311132414
622245014202
73420204254
oct1054141772
9334315052
10145802234
1175335416
12409b4362
132428c316
1415514cd4
15cc009de
hex8b0c3fa

145802234 has 12 divisors (see below), whose sum is σ = 232325934. Its totient is φ = 68612544.

The previous prime is 145802231. The next prime is 145802249. The reversal of 145802234 is 432208541.

It is a happy number.

145802234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 144120025 + 1682209 = 12005^2 + 1297^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145802197 and 145802206.

It is not an unprimeable number, because it can be changed into a prime (145802231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125549 + ... + 126704.

Almost surely, 2145802234 is an apocalyptic number.

145802234 is a deficient number, since it is larger than the sum of its proper divisors (86523700).

145802234 is a wasteful number, since it uses less digits than its factorization.

145802234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252289 (or 252272 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 145802234 is about 12074.8595851049. The cubic root of 145802234 is about 526.3258810356.

The spelling of 145802234 in words is "one hundred forty-five million, eight hundred two thousand, two hundred thirty-four".

Divisors: 1 2 17 34 289 578 252253 504506 4288301 8576602 72901117 145802234