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1445114225 = 52291993261
BaseRepresentation
bin101011000100010…
…1011000101110001
310201201020102001002
41112020223011301
510424422123400
6355221451345
750545161002
oct12610530561
93651212032
101445114225
11681802785
12343b70b55
131a0516099
14d9cd71a9
1586d06ed5
hex5622b171

1445114225 has 12 divisors (see below), whose sum is σ = 1853733660. Its totient is φ = 1116225600.

The previous prime is 1445114171. The next prime is 1445114227. The reversal of 1445114225 is 5224115441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 175403536 + 1269710689 = 13244^2 + 35633^2 .

It is a de Polignac number, because none of the positive numbers 2k-1445114225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1445114227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995906 + ... + 997355.

It is an arithmetic number, because the mean of its divisors is an integer number (154477805).

Almost surely, 21445114225 is an apocalyptic number.

It is an amenable number.

1445114225 is a deficient number, since it is larger than the sum of its proper divisors (408619435).

1445114225 is a wasteful number, since it uses less digits than its factorization.

1445114225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993300 (or 1993295 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 1445114225 is about 38014.6580281870. The cubic root of 1445114225 is about 1130.5785079151.

Adding to 1445114225 its reverse (5224115441), we get a palindrome (6669229666).

The spelling of 1445114225 in words is "one billion, four hundred forty-five million, one hundred fourteen thousand, two hundred twenty-five".

Divisors: 1 5 25 29 145 725 1993261 9966305 49831525 57804569 289022845 1445114225