245920842 has 24 divisors (see below), whose sum is σ = 534081600. Its totient is φ = 81780840.

The previous prime is 245920837. The next prime is 245920849. The reversal of 245920842 is 248029542.

245920842 is a `hidden beast` number, since 24 + 592 + 0 + 8 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 245920797 and 245920806.

It is not an unprimeable number, because it can be changed into a prime (245920849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8092 + ... + 23607.

It is an arithmetic number, because the mean of its divisors is an integer number (22253400).

Almost surely, 2^245920842 is an apocalyptic number.

245920842 is an abundant number, since it is smaller than the sum of its proper divisors (288160758).

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

245920842 is a wasteful number, since it uses less digits than its factorization.

245920842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32138 (or 32135 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 245920842 is about 15681.8634734524. The cubic root of 245920842 is about 626.5154410383.

The spelling of 245920842 in words is "two hundred forty-five million, nine hundred twenty thousand, eight hundred forty-two".