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142476245 = 528495249
BaseRepresentation
bin10000111111000…
…00001111010101
3100221002112122222
420133200033111
5242433214440
622045432125
73350012432
oct1037401725
9327075588
10142476245
117347356a
123b86b645
1323696492
1414ccab89
15c7952b5
hex87e03d5

142476245 has 4 divisors (see below), whose sum is σ = 170971500. Its totient is φ = 113980992.

The previous prime is 142476241. The next prime is 142476247. The reversal of 142476245 is 542674241.

It is a happy number.

142476245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 108347281 + 34128964 = 10409^2 + 5842^2 .

It is a cyclic number.

It is not a de Polignac number, because 142476245 - 22 = 142476241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142476241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14247620 + ... + 14247629.

It is an arithmetic number, because the mean of its divisors is an integer number (42742875).

Almost surely, 2142476245 is an apocalyptic number.

It is an amenable number.

142476245 is a deficient number, since it is larger than the sum of its proper divisors (28495255).

142476245 is an equidigital number, since it uses as much as digits as its factorization.

142476245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28495254.

The product of its digits is 53760, while the sum is 35.

The square root of 142476245 is about 11936.3413573842. The cubic root of 142476245 is about 522.2929378023.

The spelling of 142476245 in words is "one hundred forty-two million, four hundred seventy-six thousand, two hundred forty-five".

Divisors: 1 5 28495249 142476245