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445153141 = 1373249293
BaseRepresentation
bin11010100010000…
…111111101110101
31011000122010022101
4122202013331311
51402424400031
6112101102101
714013511366
oct3242077565
91130563271
10445153141
11209306164
121050b7931
13712c0834
1443199b6d
1529132361
hex1a887f75

445153141 has 4 divisors (see below), whose sum is σ = 448402572. Its totient is φ = 441903712.

The previous prime is 445153139. The next prime is 445153183. The reversal of 445153141 is 141351544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118592100 + 326561041 = 10890^2 + 18071^2 .

It is a cyclic number.

It is not a de Polignac number, because 445153141 - 21 = 445153139 is a prime.

It is a super-2 number, since 2×4451531412 = 396322637884331762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445151141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624510 + ... + 1624783.

It is an arithmetic number, because the mean of its divisors is an integer number (112100643).

Almost surely, 2445153141 is an apocalyptic number.

It is an amenable number.

445153141 is a deficient number, since it is larger than the sum of its proper divisors (3249431).

445153141 is a wasteful number, since it uses less digits than its factorization.

445153141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249430.

The product of its digits is 4800, while the sum is 28.

The square root of 445153141 is about 21098.6525873099. The cubic root of 445153141 is about 763.5482404800.

The spelling of 445153141 in words is "four hundred forty-five million, one hundred fifty-three thousand, one hundred forty-one".

Divisors: 1 137 3249293 445153141