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142464671 is a prime number
BaseRepresentation
bin10000111110111…
…01011010011111
3100221001221210022
420133131122133
5242432332141
622045302355
73346633616
oct1037353237
9327057708
10142464671
11734658a8
123b8649bb
132369112b
1414cc687d
15c791b4b
hex87dd69f

142464671 has 2 divisors, whose sum is σ = 142464672. Its totient is φ = 142464670.

The previous prime is 142464649. The next prime is 142464757. The reversal of 142464671 is 176464241.

It is a weak prime.

It is an emirp because it is prime and its reverse (176464241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142464671 - 218 = 142202527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142464601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71232335 + 71232336.

It is an arithmetic number, because the mean of its divisors is an integer number (71232336).

Almost surely, 2142464671 is an apocalyptic number.

142464671 is a deficient number, since it is larger than the sum of its proper divisors (1).

142464671 is an equidigital number, since it uses as much as digits as its factorization.

142464671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 142464671 is about 11935.8565256122. The cubic root of 142464671 is about 522.2787946677.

The spelling of 142464671 in words is "one hundred forty-two million, four hundred sixty-four thousand, six hundred seventy-one".