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142107153 = 3449105499
BaseRepresentation
bin10000111100001…
…10001000010001
3100220101210100220
420132012020101
5242334412103
622033503253
73343614366
oct1036061021
9326353326
10142107153
1173241231
123b711b29
1323597496
1414c3246d
15c720c53
hex8786211

142107153 has 8 divisors (see below), whose sum is σ = 189900000. Its totient is φ = 94526208.

The previous prime is 142107127. The next prime is 142107167. The reversal of 142107153 is 351701241.

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

It is not a de Polignac number, because 142107153 - 26 = 142107089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142107253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51403 + ... + 54096.

It is an arithmetic number, because the mean of its divisors is an integer number (23737500).

Almost surely, 2142107153 is an apocalyptic number.

It is an amenable number.

142107153 is a deficient number, since it is larger than the sum of its proper divisors (47792847).

142107153 is a wasteful number, since it uses less digits than its factorization.

142107153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105951.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 142107153 is about 11920.8704799608. The cubic root of 142107153 is about 521.8415389306.

Adding to 142107153 its reverse (351701241), we get a palindrome (493808394).

The spelling of 142107153 in words is "one hundred forty-two million, one hundred seven thousand, one hundred fifty-three".

Divisors: 1 3 449 1347 105499 316497 47369051 142107153