245145305100 has 36 divisors (see below), whose sum is σ = 709287083624. Its totient is φ = 65372081280.

The previous prime is 245145305057. The next prime is 245145305129. The reversal of 245145305100 is 1503541542.

245145305100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245145305100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 408575209 + ... + 408575808.

Almost surely, 2^245145305100 is an apocalyptic number.

245145305100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245145305100 is an abundant number, since it is smaller than the sum of its proper divisors (464141778524).

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

245145305100 is a wasteful number, since it uses less digits than its factorization.

245145305100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817151034 (or 817151027 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 245145305100 its reverse (1503541542), we get a palindrome (246648846642).

The spelling of 245145305100 in words is "two hundred forty-five billion, one hundred forty-five million, three hundred five thousand, one hundred".