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145852142 = 279199209
BaseRepresentation
bin10001011000110…
…00011011101110
3101011110001112012
420230120123232
5244314232032
622250041222
73420502622
oct1054303356
9334401465
10145852142
1175369967
1240a19212
13242a8c57
1415529182
15cc106b2
hex8b186ee

145852142 has 8 divisors (see below), whose sum is σ = 218829600. Its totient is φ = 72908944.

The previous prime is 145852141. The next prime is 145852169. The reversal of 145852142 is 241258541.

145852142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 145852099 and 145852108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145852141) 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, 11234 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (27353700).

Almost surely, 2145852142 is an apocalyptic number.

145852142 is a deficient number, since it is larger than the sum of its proper divisors (72977458).

145852142 is an equidigital number, since it uses as much as digits as its factorization.

145852142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17130.

The product of its digits is 12800, while the sum is 32.

The square root of 145852142 is about 12076.9260161682. The cubic root of 145852142 is about 526.3859278419.

The spelling of 145852142 in words is "one hundred forty-five million, eight hundred fifty-two thousand, one hundred forty-two".

Divisors: 1 2 7919 9209 15838 18418 72926071 145852142