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144605023154420 = 22528559253168919
BaseRepresentation
bin100000111000010001111011…
…000010011011000011110100
3200222000002211200201222110212
4200320101323002123003310
5122423202041411420140
61231314344111004552
742313240164202253
oct4070217302330364
9628002750658425
10144605023154420
11420917117a86a4
1214275509809758
13628c26ca4134a
14279ccc5a7c79a
1511ab7962e1765
hex83847b09b0f4

144605023154420 has 24 divisors (see below), whose sum is σ = 303681182918400. Its totient is φ = 57839983681952.

The previous prime is 144605023154399. The next prime is 144605023154467. The reversal of 144605023154420 is 24451320506441.

It is a super-2 number, since 2×1446050231544202 (a number of 29 digits) contains 22 as substring.

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, 126013280 + ... + 127155639.

It is an arithmetic number, because the mean of its divisors is an integer number (12653382621600).

Almost surely, 2144605023154420 is an apocalyptic number.

144605023154420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144605023154420 is an abundant number, since it is smaller than the sum of its proper divisors (159076159763980).

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

144605023154420 is a wasteful number, since it uses less digits than its factorization.

144605023154420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253197487 (or 253197485 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 144605023154420 in words is "one hundred forty-four trillion, six hundred five billion, twenty-three million, one hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 28559 57118 114236 142795 285590 571180 253168919 506337838 1012675676 1265844595 2531689190 5063378380 7230251157721 14460502315442 28921004630884 36151255788605 72302511577210 144605023154420