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144642356455435 = 5239887136459559
BaseRepresentation
bin100000111000110100101100…
…010001101010100000001011
3200222010200012111221011200021
4200320310230101222200023
5122424310021223033220
61231343440425121311
742316031301054406
oct4070645421524013
9628120174834607
10144642356455435
11420a652a445283
12142807a8629237
13629293c4997c7
1427a0a28004d3d
1511ac72db204aa
hex838d2c46a80b

144642356455435 has 16 divisors (see below), whose sum is σ = 174493568563200. Its totient is φ = 115099816305376.

The previous prime is 144642356455349. The next prime is 144642356455451. The reversal of 144642356455435 is 534554653246441.

It is a cyclic number.

It is not a de Polignac number, because 144642356455435 - 225 = 144642322901003 is a prime.

It is a super-2 number, since 2×1446423564554352 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67169815 + ... + 69289744.

It is an arithmetic number, because the mean of its divisors is an integer number (10905848035200).

Almost surely, 2144642356455435 is an apocalyptic number.

144642356455435 is a deficient number, since it is larger than the sum of its proper divisors (29851212107765).

144642356455435 is a wasteful number, since it uses less digits than its factorization.

144642356455435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136460690.

The product of its digits is 414720000, while the sum is 61.

The spelling of 144642356455435 in words is "one hundred forty-four trillion, six hundred forty-two billion, three hundred fifty-six million, four hundred fifty-five thousand, four hundred thirty-five".

Divisors: 1 5 239 887 1195 4435 211993 1059965 136459559 682297795 32613834601 121039628833 163069173005 605198144165 28928471291087 144642356455435