245505066 has 16 divisors (see below), whose sum is σ = 491198304. Its totient is φ = 81803664.

The previous prime is 245505037. The next prime is 245505079. The reversal of 245505066 is 660505542.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13656 + ... + 26028.

It is an arithmetic number, because the mean of its divisors is an integer number (30699894).

Almost surely, 2^245505066 is an apocalyptic number.

245505066 is an abundant number, since it is smaller than the sum of its proper divisors (245693238).

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

245505066 is a wasteful number, since it uses less digits than its factorization.

245505066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15685.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 245505066 is about 15668.6012777146. The cubic root of 245505066 is about 626.1621606594.

The spelling of 245505066 in words is "two hundred forty-five million, five hundred five thousand, sixty-six".