245091266 has 16 divisors (see below), whose sum is σ = 438424704. Its totient is φ = 100472064.

The previous prime is 245091263. The next prime is 245091269. The reversal of 245091266 is 662190542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (245091263) and next prime (245091269).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245091263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380255 + ... + 380898.

It is an arithmetic number, because the mean of its divisors is an integer number (27401544).

Almost surely, 2^245091266 is an apocalyptic number.

245091266 is a deficient number, since it is larger than the sum of its proper divisors (193333438).

245091266 is a wasteful number, since it uses less digits than its factorization.

245091266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761185.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 245091266 is about 15655.3909564725. The cubic root of 245091266 is about 625.8101630170.

The spelling of 245091266 in words is "two hundred forty-five million, ninety-one thousand, two hundred sixty-six".