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145874460 = 22352431241
BaseRepresentation
bin10001011000111…
…01111000011100
3101011111012010210
420230131320130
5244320440320
622250332420
73420624654
oct1054357034
9334435123
10145874460
1175384706
1240a2a110
13242b6164
1415533364
15cc170e0
hex8b1de1c

145874460 has 24 divisors (see below), whose sum is σ = 408448656. Its totient is φ = 38899840.

The previous prime is 145874453. The next prime is 145874473. The reversal of 145874460 is 64478541.

145874460 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, 1215561 + ... + 1215680.

It is an arithmetic number, because the mean of its divisors is an integer number (17018694).

Almost surely, 2145874460 is an apocalyptic number.

145874460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145874460 is an abundant number, since it is smaller than the sum of its proper divisors (262574196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145874460 is a wasteful number, since it uses less digits than its factorization.

145874460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431253 (or 2431251 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 145874460 is about 12077.8499742297. The cubic root of 145874460 is about 526.4127753095.

The spelling of 145874460 in words is "one hundred forty-five million, eight hundred seventy-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2431241 4862482 7293723 9724964 12156205 14587446 24312410 29174892 36468615 48624820 72937230 145874460