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1445092144 = 2490318259
BaseRepresentation
bin101011000100010…
…0101101100110000
310201201012021202021
41112020211230300
510424420422034
6355221201224
750545036426
oct12610455460
93651167667
101445092144
11681798131
12343b60214
131a0509012
14d9ccd116
1586d006b4
hex56225b30

1445092144 has 10 divisors (see below), whose sum is σ = 2799866060. Its totient is φ = 722546064.

The previous prime is 1445092079. The next prime is 1445092151. The reversal of 1445092144 is 4412905441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45159114 + ... + 45159145.

It is an arithmetic number, because the mean of its divisors is an integer number (279986606).

Almost surely, 21445092144 is an apocalyptic number.

It is an amenable number.

1445092144 is a deficient number, since it is larger than the sum of its proper divisors (1354773916).

1445092144 is an equidigital number, since it uses as much as digits as its factorization.

1445092144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90318267 (or 90318261 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1445092144 is about 38014.3675996326. The cubic root of 1445092144 is about 1130.5727495626.

Adding to 1445092144 its reverse (4412905441), we get a palindrome (5857997585).

The spelling of 1445092144 in words is "one billion, four hundred forty-five million, ninety-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 90318259 180636518 361273036 722546072 1445092144