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154021424145143 = 2232512751709291
BaseRepresentation
bin100011000001010011101000…
…010001100010001011110111
3202012100022012212110211110212
4203001103220101202023313
5130141441334040121033
61303324244311540035
744304452321041202
oct4301235021421367
9665308185424425
10154021424145143
1145092134666205
121533647338a61b
1367c32090c2ab9
142a06968c3a939
1512c16b61b9748
hex8c14e84622f7

154021424145143 has 8 divisors (see below), whose sum is σ = 155328486114816. Its totient is φ = 152719865595000.

The previous prime is 154021424145133. The next prime is 154021424145151. The reversal of 154021424145143 is 341541424120451.

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 154021424145143 - 212 = 154021424141047 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 154021424145143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154021424145133) 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, 1375798673 + ... + 1375910618.

It is an arithmetic number, because the mean of its divisors is an integer number (19416060764352).

Almost surely, 2154021424145143 is an apocalyptic number.

154021424145143 is a deficient number, since it is larger than the sum of its proper divisors (1307061969673).

154021424145143 is a wasteful number, since it uses less digits than its factorization.

154021424145143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751709765.

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 154021424145143 its reverse (341541424120451), we get a palindrome (495562848265594).

The spelling of 154021424145143 in words is "one hundred fifty-four trillion, twenty-one billion, four hundred twenty-four million, one hundred forty-five thousand, one hundred forty-three".

Divisors: 1 223 251 55973 2751709291 613631171893 690679032041 154021424145143