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145471846 = 21313614111
BaseRepresentation
bin10001010101110…
…11100101100110
3101010201201212011
420222323211212
5244220044341
622233544434
73414330112
oct1052734546
9333651764
10145471846
117512a173
124087511a
13241a4b20
141546a742
15cb87b81
hex8abb966

145471846 has 16 divisors (see below), whose sum is σ = 235222848. Its totient is φ = 67075200.

The previous prime is 145471831. The next prime is 145471861. The reversal of 145471846 is 648174541.

It is an interprime number because it is at equal distance from previous prime (145471831) and next prime (145471861).

It is a junction number, because it is equal to n+sod(n) for n = 145471799 and 145471808.

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, 33331 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (14701428).

Almost surely, 2145471846 is an apocalyptic number.

145471846 is a deficient number, since it is larger than the sum of its proper divisors (89751002).

145471846 is a wasteful number, since it uses less digits than its factorization.

145471846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487.

The product of its digits is 107520, while the sum is 40.

The square root of 145471846 is about 12061.1710045086. The cubic root of 145471846 is about 525.9280287250.

The spelling of 145471846 in words is "one hundred forty-five million, four hundred seventy-one thousand, eight hundred forty-six".

Divisors: 1 2 13 26 1361 2722 4111 8222 17693 35386 53443 106886 5595071 11190142 72735923 145471846