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BaseRepresentation
bin100000011001111101000100…
…001001100101001110101001
3200200121212201112200122212021
4200121331010021211032221
5122140031044021130031
61223041132514544441
742006543211330366
oct4031750411451651
9620555645618767
10142521043145641
1141458920381286
1213b99648b98121
13616a8a4932bb4
14272a0aba2546d
15117247571d511
hex819f442653a9

142521043145641 has 8 divisors (see below), whose sum is σ = 150918861000960. Its totient is φ = 134124806077248.

The previous prime is 142521043145627. The next prime is 142521043145683. The reversal of 142521043145641 is 146541340125241.

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 142521043145641 - 233 = 142512453211049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142521043155641) 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, 395011101 + ... + 395371738.

It is an arithmetic number, because the mean of its divisors is an integer number (18864857625120).

Almost surely, 2142521043145641 is an apocalyptic number.

It is an amenable number.

142521043145641 is a deficient number, since it is larger than the sum of its proper divisors (8397817855319).

142521043145641 is a wasteful number, since it uses less digits than its factorization.

142521043145641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790393463.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 142521043145641 in words is "one hundred forty-two trillion, five hundred twenty-one billion, forty-three million, one hundred forty-five thousand, six hundred forty-one".