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142244450142 = 23157659229139
BaseRepresentation
bin1000010001111001101…
…1100000111101011110
3111121011021000202112020
42010132123200331132
54312304034401032
6145202440121010
713163643606504
oct2043633407536
9447137022466
10142244450142
1155364313813
1223699466166
131054b8878c2
146c5575a674
153a77cbdb2c
hex211e6e0f5e

142244450142 has 32 divisors (see below), whose sum is σ = 286736630400. Its totient is φ = 47041114848.

The previous prime is 142244450141. The next prime is 142244450143. The reversal of 142244450142 is 241054442241.

It is an interprime number because it is at equal distance from previous prime (142244450141) and next prime (142244450143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244450141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506209 + ... + 735347.

It is an arithmetic number, because the mean of its divisors is an integer number (8960519700).

Almost surely, 2142244450142 is an apocalyptic number.

142244450142 is an abundant number, since it is smaller than the sum of its proper divisors (144492180258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142244450142 is a wasteful number, since it uses less digits than its factorization.

142244450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229960.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 142244450142 its reverse (241054442241), we get a palindrome (383298892383).

The spelling of 142244450142 in words is "one hundred forty-two billion, two hundred forty-four million, four hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 3 6 157 314 471 659 942 1318 1977 3954 103463 206926 229139 310389 458278 620778 687417 1374834 35974823 71949646 107924469 151002601 215848938 302005202 453007803 906015606 23707408357 47414816714 71122225071 142244450142