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142154693 is a prime number
BaseRepresentation
bin10000111100100…
…01101111000101
3100220111012120122
420132101233011
5242342422233
622034511325
73344203112
oct1036215705
9326435518
10142154693
1173273a1a
123b735545
13235b3005
1414c45909
15c72ed98
hex8791bc5

142154693 has 2 divisors, whose sum is σ = 142154694. Its totient is φ = 142154692.

The previous prime is 142154687. The next prime is 142154699. The reversal of 142154693 is 396451241.

142154693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (142154687) and next prime (142154699).

It can be written as a sum of positive squares in only one way, i.e., 133587364 + 8567329 = 11558^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 142154693 - 224 = 125377477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142154699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71077346 + 71077347.

It is an arithmetic number, because the mean of its divisors is an integer number (71077347).

Almost surely, 2142154693 is an apocalyptic number.

It is an amenable number.

142154693 is a deficient number, since it is larger than the sum of its proper divisors (1).

142154693 is an equidigital number, since it uses as much as digits as its factorization.

142154693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 142154693 is about 11922.8642951264. The cubic root of 142154693 is about 521.8997240871.

The spelling of 142154693 in words is "one hundred forty-two million, one hundred fifty-four thousand, six hundred ninety-three".