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143455142 = 2375693407
BaseRepresentation
bin10001000110011…
…11001110100110
3100222221021110102
420203033032212
5243211031032
622122424102
73361230365
oct1043171646
9328837412
10143455142
1173a81a76
1240062032
1323949bcc
14150a37dc
15c8da362
hex88cf3a6

143455142 has 16 divisors (see below), whose sum is σ = 221451840. Its totient is φ = 69645888.

The previous prime is 143455127. The next prime is 143455177. The reversal of 143455142 is 241554341.

143455142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40403 + ... + 43809.

It is an arithmetic number, because the mean of its divisors is an integer number (13840740).

Almost surely, 2143455142 is an apocalyptic number.

143455142 is a deficient number, since it is larger than the sum of its proper divisors (77996698).

143455142 is a wasteful number, since it uses less digits than its factorization.

143455142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its digits is 9600, while the sum is 29.

The square root of 143455142 is about 11977.2760676207. The cubic root of 143455142 is about 523.4863637110.

The spelling of 143455142 in words is "one hundred forty-three million, four hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 37 74 569 1138 3407 6814 21053 42106 126059 252118 1938583 3877166 71727571 143455142