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142544951 is a prime number
BaseRepresentation
bin10000111111100…
…01000000110111
3100221020000220122
420133301000313
5242442414301
622051122155
73350416643
oct1037610067
9327200818
10142544951
117351014a
123b8a335b
13236bb833
1414d07c23
15c7aa81b
hex87f1037

142544951 has 2 divisors, whose sum is σ = 142544952. Its totient is φ = 142544950.

The previous prime is 142544911. The next prime is 142544953. The reversal of 142544951 is 159445241.

142544951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142544951 - 26 = 142544887 is a prime.

Together with 142544953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142544953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71272475 + 71272476.

It is an arithmetic number, because the mean of its divisors is an integer number (71272476).

Almost surely, 2142544951 is an apocalyptic number.

142544951 is a deficient number, since it is larger than the sum of its proper divisors (1).

142544951 is an equidigital number, since it uses as much as digits as its factorization.

142544951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 142544951 is about 11939.2190280604. The cubic root of 142544951 is about 522.3768790281.

The spelling of 142544951 in words is "one hundred forty-two million, five hundred forty-four thousand, nine hundred fifty-one".