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144998099 = 413536539
BaseRepresentation
bin10001010010001…
…11111011010011
3101002211122222222
420221013323103
5244104414344
622215451255
73410314661
oct1051077323
9332748888
10144998099
1174936244
1240686b2b
132406a2bc
1415385c31
15cae25ee
hex8a47ed3

144998099 has 4 divisors (see below), whose sum is σ = 148534680. Its totient is φ = 141461520.

The previous prime is 144998081. The next prime is 144998111. The reversal of 144998099 is 990899441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990899441 = 7141557063.

It is a cyclic number.

It is not a de Polignac number, because 144998099 - 28 = 144997843 is a prime.

It is a super-2 number, since 2×1449980992 = 42048897427227602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144998099.

It is not an unprimeable number, because it can be changed into a prime (144998069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768229 + ... + 1768310.

It is an arithmetic number, because the mean of its divisors is an integer number (37133670).

Almost surely, 2144998099 is an apocalyptic number.

144998099 is a deficient number, since it is larger than the sum of its proper divisors (3536581).

144998099 is an equidigital number, since it uses as much as digits as its factorization.

144998099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536580.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 144998099 is about 12041.5156438050. The cubic root of 144998099 is about 525.3564913610.

The spelling of 144998099 in words is "one hundred forty-four million, nine hundred ninety-eight thousand, ninety-nine".

Divisors: 1 41 3536539 144998099