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143174401 = 641223361
BaseRepresentation
bin10001000100010…
…10101100000001
3100222102000100121
420202022230001
5243123040101
622112420241
73355651036
oct1042125401
9328360317
10143174401
1173900057
123bb47681
132387c1a6
141502d38d
15c8820a1
hex888ab01

143174401 has 4 divisors (see below), whose sum is σ = 143398404. Its totient is φ = 142950400.

The previous prime is 143174387. The next prime is 143174413. The reversal of 143174401 is 104471341.

It is a happy number.

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 70157376 + 73017025 = 8376^2 + 8545^2 .

It is a cyclic number.

It is not a de Polignac number, because 143174401 - 29 = 143173889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143174431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111040 + ... + 112321.

It is an arithmetic number, because the mean of its divisors is an integer number (35849601).

Almost surely, 2143174401 is an apocalyptic number.

It is an amenable number.

143174401 is a deficient number, since it is larger than the sum of its proper divisors (224003).

143174401 is an equidigital number, since it uses as much as digits as its factorization.

143174401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224002.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 143174401 is about 11965.5505932657. The cubic root of 143174401 is about 523.1446539684.

The spelling of 143174401 in words is "one hundred forty-three million, one hundred seventy-four thousand, four hundred one".

Divisors: 1 641 223361 143174401