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142553465 = 528510693
BaseRepresentation
bin10000111111100…
…11000101111001
3100221020110120222
420133303011321
5242443202330
622051225425
73350453525
oct1037630571
9327213528
10142553465
117351658a
123b8a8275
13236c2682
1414d0ad85
15c7ad0e5
hex87f3179

142553465 has 4 divisors (see below), whose sum is σ = 171064164. Its totient is φ = 114042768.

The previous prime is 142553441. The next prime is 142553497. The reversal of 142553465 is 564355241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60777616 + 81775849 = 7796^2 + 9043^2 .

It is a cyclic number.

It is not a de Polignac number, because 142553465 - 214 = 142537081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14255342 + ... + 14255351.

It is an arithmetic number, because the mean of its divisors is an integer number (42766041).

Almost surely, 2142553465 is an apocalyptic number.

It is an amenable number.

142553465 is a deficient number, since it is larger than the sum of its proper divisors (28510699).

142553465 is an equidigital number, since it uses as much as digits as its factorization.

142553465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28510698.

The product of its digits is 72000, while the sum is 35.

The square root of 142553465 is about 11939.5755787214. The cubic root of 142553465 is about 522.3872790883.

The spelling of 142553465 in words is "one hundred forty-two million, five hundred fifty-three thousand, four hundred sixty-five".

Divisors: 1 5 28510693 142553465