245540550 has 24 divisors (see below), whose sum is σ = 608940936. Its totient is φ = 65477440.

The previous prime is 245540543. The next prime is 245540551. The reversal of 245540550 is 55045542.

245540550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245540551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818319 + ... + 818618.

It is an arithmetic number, because the mean of its divisors is an integer number (25372539).

Almost surely, 2^245540550 is an apocalyptic number.

245540550 is an abundant number, since it is smaller than the sum of its proper divisors (363400386).

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

245540550 is a wasteful number, since it uses less digits than its factorization.

245540550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636952 (or 1636947 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 245540550 is about 15669.7335650610. The cubic root of 245540550 is about 626.1923265919.

The spelling of 245540550 in words is "two hundred forty-five million, five hundred forty thousand, five hundred fifty".