245098 has 24 divisors (see below), whose sum is σ = 445284. Its totient is φ = 100800.
The previous prime is 245087. The next prime is 245107. The reversal of 245098 is 890542.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 170569 + 74529 = 413^2 + 273^2 .
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
245098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3988 + ... + 4048.
2245098 is an apocalyptic number.
245098 is a deficient number, since it is larger than the sum of its proper divisors (200186).
245098 is a wasteful number, since it uses less digits than its factorization.
245098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 245098 is about 495.0737318824. The cubic root of 245098 is about 62.5815894443.
It can be divided in two parts, 2450 and 98, that multiplied together give a square (240100 = 4902).
The spelling of 245098 in words is "two hundred forty-five thousand, ninety-eight".
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