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1445165230 = 251011114293
BaseRepresentation
bin101011000100011…
…0111100010101110
310201201100000000011
41112020313202232
510424430241410
6355222523434
750545462465
oct12610674256
93651300004
101445165230
11681838033
12343b9657a
131a0533372
14d9d0b9dc
1586d1718a
hex562378ae

1445165230 has 16 divisors (see below), whose sum is σ = 2601736704. Its totient is φ = 577968480.

The previous prime is 1445165221. The next prime is 1445165243. The reversal of 1445165230 is 325615441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1445165192 and 1445165201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93964 + ... + 108256.

It is an arithmetic number, because the mean of its divisors is an integer number (162608544).

Almost surely, 21445165230 is an apocalyptic number.

1445165230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445165230 is a deficient number, since it is larger than the sum of its proper divisors (1156571474).

1445165230 is a wasteful number, since it uses less digits than its factorization.

1445165230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24411.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1445165230 is about 38015.3288819129. The cubic root of 1445165230 is about 1130.5918089348.

The spelling of 1445165230 in words is "one billion, four hundred forty-five million, one hundred sixty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 10111 14293 20222 28586 50555 71465 101110 142930 144516523 289033046 722582615 1445165230