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145651470 = 2354855049
BaseRepresentation
bin10001010111001…
…11011100001110
3101011001212020220
420223213130032
5244241321340
622241452210
73416005566
oct1053473416
9334055226
10145651470
1175242118
1240941066
1324238803
14154b5da6
15cbc0ed0
hex8ae770e

145651470 has 16 divisors (see below), whose sum is σ = 349563600. Its totient is φ = 38840384.

The previous prime is 145651447. The next prime is 145651481. The reversal of 145651470 is 74156541.

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, 2427495 + ... + 2427554.

It is an arithmetic number, because the mean of its divisors is an integer number (21847725).

Almost surely, 2145651470 is an apocalyptic number.

145651470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145651470 is an abundant number, since it is smaller than the sum of its proper divisors (203912130).

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

145651470 is a wasteful number, since it uses less digits than its factorization.

145651470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855059.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145651470 is about 12068.6150821045. The cubic root of 145651470 is about 526.1444060812.

The spelling of 145651470 in words is "one hundred forty-five million, six hundred fifty-one thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4855049 9710098 14565147 24275245 29130294 48550490 72825735 145651470