145100 has 18 divisors (see below), whose sum is σ = 315084. Its totient is φ = 58000.
The previous prime is 145091. The next prime is 145109. The reversal of 145100 is 1541.
145100 = T95 + T96 + ... + T119.
145100 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 (145091) and next prime (145109).
It is an Ulam number.
It is a plaindrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (145109) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626 + ... + 825.
2145100 is an apocalyptic number.
145100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145100 is an abundant number, since it is smaller than the sum of its proper divisors (169984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145100 is a wasteful number, since it uses less digits than its factorization.
145100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1465 (or 1458 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 145100 is about 380.9199390948. The cubic root of 145100 is about 52.5479531631.
Adding to 145100 its reverse (1541), we get a palindrome (146641).
The spelling of 145100 in words is "one hundred forty-five thousand, one hundred".
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