Search a number
-
+
142466245 = 528493249
BaseRepresentation
bin10000111110111…
…01110011000101
3100221002000221121
420133131303011
5242432404440
622045313541
73346641325
oct1037356305
9327060847
10142466245
1173466aa9
123b8658b1
1323691a6c
1414cc7285
15c79234a
hex87ddcc5

142466245 has 4 divisors (see below), whose sum is σ = 170959500. Its totient is φ = 113972992.

The previous prime is 142466189. The next prime is 142466251. The reversal of 142466245 is 542664241.

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 34680321 + 107785924 = 5889^2 + 10382^2 .

It is a cyclic number.

It is not a de Polignac number, because 142466245 - 211 = 142464197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142466245.

It is a congruent 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, 14246620 + ... + 14246629.

It is an arithmetic number, because the mean of its divisors is an integer number (42739875).

Almost surely, 2142466245 is an apocalyptic number.

It is an amenable number.

142466245 is a deficient number, since it is larger than the sum of its proper divisors (28493255).

142466245 is an equidigital number, since it uses as much as digits as its factorization.

142466245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28493254.

The product of its digits is 46080, while the sum is 34.

The square root of 142466245 is about 11935.9224612093. The cubic root of 142466245 is about 522.2807181008.

The spelling of 142466245 in words is "one hundred forty-two million, four hundred sixty-six thousand, two hundred forty-five".

Divisors: 1 5 28493249 142466245