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142602045 = 3511384131
BaseRepresentation
bin10000111111111…
…10111100111101
3100221022221020020
420133332330331
5243001231140
622052242353
73351045255
oct1037767475
9327287206
10142602045
117354a033
123b9103b9
132370b811
1414d20965
15c7bc6d0
hex87fef3d

142602045 has 16 divisors (see below), whose sum is σ = 230185152. Its totient is φ = 75380480.

The previous prime is 142602043. The next prime is 142602071. The reversal of 142602045 is 540206241.

It is not a de Polignac number, because 142602045 - 21 = 142602043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142602043) 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, 40371 + ... + 43760.

It is an arithmetic number, because the mean of its divisors is an integer number (14386572).

Almost surely, 2142602045 is an apocalyptic number.

142602045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142602045 is a deficient number, since it is larger than the sum of its proper divisors (87583107).

142602045 is a wasteful number, since it uses less digits than its factorization.

142602045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84252.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142602045 is about 11941.6098161010. The cubic root of 142602045 is about 522.4466128309.

Adding to 142602045 its reverse (540206241), we get a palindrome (682808286).

The spelling of 142602045 in words is "one hundred forty-two million, six hundred two thousand, forty-five".

Divisors: 1 3 5 15 113 339 565 1695 84131 252393 420655 1261965 9506803 28520409 47534015 142602045