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142552 = 23103173
BaseRepresentation
bin100010110011011000
321020112201
4202303120
514030202
63015544
71132414
oct426330
9236481
10142552
1198113
126a5b4
134cb67
1439d44
152c387
hex22cd8

142552 has 16 divisors (see below), whose sum is σ = 271440. Its totient is φ = 70176.

The previous prime is 142547. The next prime is 142553. The reversal of 142552 is 255241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142553) 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, 738 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (16965).

2142552 is an apocalyptic number.

It is an amenable number.

142552 is a deficient number, since it is larger than the sum of its proper divisors (128888).

142552 is a wasteful number, since it uses less digits than its factorization.

142552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 278 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 142552 is about 377.5605911639. The cubic root of 142552 is about 52.2385489584.

Adding to 142552 its reverse (255241), we get a palindrome (397793).

The spelling of 142552 in words is "one hundred forty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 103 173 206 346 412 692 824 1384 17819 35638 71276 142552