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143022401 = 1038631609
BaseRepresentation
bin10001000011001…
…01100101000001
3100222010021211222
420201211211001
5243103204101
622105244425
73354445634
oct1041454501
9328107758
10143022401
1173806935
123ba93715
1323827c52
1414dcdc1b
15c85201b
hex8865941

143022401 has 8 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 141381792.

The previous prime is 143022389. The next prime is 143022413. The reversal of 143022401 is 104220341.

It is an interprime number because it is at equal distance from previous prime (143022389) and next prime (143022413).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143022401 - 210 = 143021377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143022401.

It is not an unprimeable number, because it can be changed into a prime (143028401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88085 + ... + 89693.

It is an arithmetic number, because the mean of its divisors is an integer number (18083520).

Almost surely, 2143022401 is an apocalyptic number.

It is an amenable number.

143022401 is a deficient number, since it is larger than the sum of its proper divisors (1645759).

143022401 is a wasteful number, since it uses less digits than its factorization.

143022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 143022401 is about 11959.1973392866. The cubic root of 143022401 is about 522.9594575848.

Adding to 143022401 its reverse (104220341), we get a palindrome (247242742).

The spelling of 143022401 in words is "one hundred forty-three million, twenty-two thousand, four hundred one".

Divisors: 1 103 863 1609 88889 165727 1388567 143022401