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142542375 = 353593641
BaseRepresentation
bin10000111111100…
…00011000100111
3100221012220101020
420133300120213
5242442324000
622051102223
73350406303
oct1037603047
9327186336
10142542375
1173509218
123b8a1973
13236ba601
1414d06d03
15c7a9ba0
hex87f0627

142542375 has 32 divisors (see below), whose sum is σ = 237961152. Its totient is φ = 75776000.

The previous prime is 142542347. The next prime is 142542403. The reversal of 142542375 is 573245241.

142542375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142542347) and next prime (142542403).

It is not a de Polignac number, because 142542375 - 211 = 142540327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222055 + ... + 222695.

It is an arithmetic number, because the mean of its divisors is an integer number (7436286).

Almost surely, 2142542375 is an apocalyptic number.

142542375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142542375 is a deficient number, since it is larger than the sum of its proper divisors (95418777).

142542375 is an equidigital number, since it uses as much as digits as its factorization.

142542375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1242 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 142542375 is about 11939.1111478200. Note that the first 4 decimals coincide. The cubic root of 142542375 is about 522.3737322992.

The spelling of 142542375 in words is "one hundred forty-two million, five hundred forty-two thousand, three hundred seventy-five".

Divisors: 1 3 5 15 25 75 125 375 593 641 1779 1923 2965 3205 8895 9615 14825 16025 44475 48075 74125 80125 222375 240375 380113 1140339 1900565 5701695 9502825 28508475 47514125 142542375