245272100 has 18 divisors (see below), whose sum is σ = 532240674. Its totient is φ = 98108800.

The previous prime is 245272099. The next prime is 245272103. The reversal of 245272100 is 1272542.

It is a happy number.

245272100 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 13075456 + 232196644 = 3616^2 + 15238^2 .

It is not an unprimeable number, because it can be changed into a prime (245272103) 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, 1226261 + ... + 1226460.

Almost surely, 2^245272100 is an apocalyptic number.

245272100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245272100 is an abundant number, since it is smaller than the sum of its proper divisors (286968574).

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

245272100 is a wasteful number, since it uses less digits than its factorization.

245272100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452735 (or 2452728 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 245272100 is about 15661.1653461676. The cubic root of 245272100 is about 625.9640375793.

The spelling of 245272100 in words is "two hundred forty-five million, two hundred seventy-two thousand, one hundred".