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142135465 = 531917003
BaseRepresentation
bin10000111100011…
…01000010101001
3100220110020012111
420132031002221
5242341313330
622034242321
73344063053
oct1036150251
9326406174
10142135465
117326052a
123b7263a1
13235a7334
1414c3c8d3
15c72932a
hex878d0a9

142135465 has 8 divisors (see below), whose sum is σ = 176064768. Its totient is φ = 110040240.

The previous prime is 142135459. The next prime is 142135471. The reversal of 142135465 is 564531241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142135459) and next prime (142135471).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142135465 - 221 = 140038313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458347 + ... + 458656.

It is an arithmetic number, because the mean of its divisors is an integer number (22008096).

Almost surely, 2142135465 is an apocalyptic number.

It is an amenable number.

142135465 is a deficient number, since it is larger than the sum of its proper divisors (33929303).

142135465 is an equidigital number, since it uses as much as digits as its factorization.

142135465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917039.

The product of its digits is 14400, while the sum is 31.

The square root of 142135465 is about 11922.0579179939. The cubic root of 142135465 is about 521.8761921160.

The spelling of 142135465 in words is "one hundred forty-two million, one hundred thirty-five thousand, four hundred sixty-five".

Divisors: 1 5 31 155 917003 4585015 28427093 142135465