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144155330 = 25113735419
BaseRepresentation
bin10001001011110…
…10001011000010
3101001020211221022
420211322023002
5243400432310
622145425442
73400204634
oct1045721302
9331224838
10144155330
1174410040
124033b282
1323b33817
1415206a54
15c9c7a55
hex897a2c2

144155330 has 32 divisors (see below), whose sum is σ = 290727360. Its totient is φ = 51001920.

The previous prime is 144155309. The next prime is 144155357. The reversal of 144155330 is 33551441.

144155330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144155330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13640 + ... + 21779.

It is an arithmetic number, because the mean of its divisors is an integer number (9085230).

Almost surely, 2144155330 is an apocalyptic number.

144155330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144155330 is an abundant number, since it is smaller than the sum of its proper divisors (146572030).

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

144155330 is a wasteful number, since it uses less digits than its factorization.

144155330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35474.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 144155330 is about 12006.4703389464. The cubic root of 144155330 is about 524.3366739708.

The spelling of 144155330 in words is "one hundred forty-four million, one hundred fifty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 35419 70838 177095 354190 389609 779218 1310503 1948045 2621006 3896090 6552515 13105030 14415533 28831066 72077665 144155330