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142192 = 248887
BaseRepresentation
bin100010101101110000
321020001101
4202231300
514022232
63014144
71131361
oct425560
9236041
10142192
1197916
126a354
134c94b
1439b68
152c1e7
hex22b70

142192 has 10 divisors (see below), whose sum is σ = 275528. Its totient is φ = 71088.

The previous prime is 142189. The next prime is 142193. The reversal of 142192 is 291241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4428 + ... + 4459.

2142192 is an apocalyptic number.

It is an amenable number.

142192 is a deficient number, since it is larger than the sum of its proper divisors (133336).

142192 is an equidigital number, since it uses as much as digits as its factorization.

142192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8889 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 142192 is about 377.0835451196. The cubic root of 142192 is about 52.1945375787.

The spelling of 142192 in words is "one hundred forty-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 8887 17774 35548 71096 142192