245045100 has 36 divisors (see below), whose sum is σ = 708998024. Its totient is φ = 65345280.

The previous prime is 245045083. The next prime is 245045149. The reversal of 245045100 is 1540542.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408109 + ... + 408708.

Almost surely, 2^245045100 is an apocalyptic number.

245045100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245045100 is an abundant number, since it is smaller than the sum of its proper divisors (463952924).

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

245045100 is a wasteful number, since it uses less digits than its factorization.

245045100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816834 (or 816827 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 245045100 is about 15653.9164428586. The cubic root of 245045100 is about 625.7708674971.

Adding to 245045100 its reverse (1540542), we get a palindrome (246585642).

The spelling of 245045100 in words is "two hundred forty-five million, forty-five thousand, one hundred".