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144718590 = 2357167943
BaseRepresentation
bin10001010000000…
…11101011111110
3101002022110120210
420220003223332
5244021443330
622205453250
73405042042
oct1050035376
9332273523
10144718590
1174765245
1240571226
1323ca0003
1415312022
15ca898b0
hex8a03afe

144718590 has 32 divisors (see below), whose sum is σ = 352221696. Its totient is φ = 38047520.

The previous prime is 144718589. The next prime is 144718591. The reversal of 144718590 is 95817441.

144718590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144718589) and next prime (144718591).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144718591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31842 + ... + 36101.

It is an arithmetic number, because the mean of its divisors is an integer number (11006928).

Almost surely, 2144718590 is an apocalyptic number.

144718590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144718590 is an abundant number, since it is smaller than the sum of its proper divisors (207503106).

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

144718590 is a wasteful number, since it uses less digits than its factorization.

144718590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68024.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 144718590 is about 12029.9039896418. The cubic root of 144718590 is about 525.0187022816.

The spelling of 144718590 in words is "one hundred forty-four million, seven hundred eighteen thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 67943 135886 203829 339715 407658 679430 1019145 2038290 4823953 9647906 14471859 24119765 28943718 48239530 72359295 144718590