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144500002 = 272250001
BaseRepresentation
bin10001001110011…
…10010100100010
3101001220100201221
420213032110202
5243443000002
622201045254
73403141543
oct1047162442
9331810657
10144500002
1174625a99
124048682a
1323c2467a
14152964ca
15ca44c37
hex89ce522

144500002 has 4 divisors (see below), whose sum is σ = 216750006. Its totient is φ = 72250000.

The previous prime is 144499991. The next prime is 144500003. The reversal of 144500002 is 200005441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200005441 = 510739163.

It can be written as a sum of positive squares in only one way, i.e., 72267001 + 72233001 = 8501^2 + 8499^2 .

It is not an unprimeable number, because it can be changed into a prime (144500003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36124999 + ... + 36125002.

Almost surely, 2144500002 is an apocalyptic number.

144500002 is a deficient number, since it is larger than the sum of its proper divisors (72250004).

144500002 is an equidigital number, since it uses as much as digits as its factorization.

144500002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72250003.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 144500002 is about 12020.8153633603. The cubic root of 144500002 is about 524.7542335698.

Adding to 144500002 its reverse (200005441), we get a palindrome (344505443).

The spelling of 144500002 in words is "one hundred forty-four million, five hundred thousand, two".

Divisors: 1 2 72250001 144500002