Search a number
-
+
142122365 = 5711237907
BaseRepresentation
bin10000111100010…
…01110101111101
3100220102120020022
420132021311331
5242340403430
622034101525
73344006630
oct1036116575
9326376208
10142122365
1173251700
123b71a8a5
13235a1398
1414c37c17
15c7254e5
hex8789d7d

142122365 has 48 divisors (see below), whose sum is σ = 220273536. Its totient is φ = 86106240.

The previous prime is 142122361. The next prime is 142122367. The reversal of 142122365 is 563221241.

It is a happy number.

It is not a de Polignac number, because 142122365 - 22 = 142122361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142122361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156242 + ... + 157148.

It is an arithmetic number, because the mean of its divisors is an integer number (4589032).

Almost surely, 2142122365 is an apocalyptic number.

It is an amenable number.

142122365 is a deficient number, since it is larger than the sum of its proper divisors (78151171).

142122365 is a wasteful number, since it uses less digits than its factorization.

142122365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 967 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 142122365 is about 11921.5085035410. The cubic root of 142122365 is about 521.8601586132.

The spelling of 142122365 in words is "one hundred forty-two million, one hundred twenty-two thousand, three hundred sixty-five".

Divisors: 1 5 7 11 35 37 55 77 121 185 259 385 407 605 847 907 1295 2035 2849 4235 4477 4535 6349 9977 14245 22385 31339 31745 33559 49885 69839 109747 156695 167795 234913 349195 369149 548735 768229 1174565 1845745 2584043 3841145 4060639 12920215 20303195 28424473 142122365