245155896 has 96 divisors (see below), whose sum is σ = 718623360. Its totient is φ = 78151392.

The previous prime is 245155877. The next prime is 245155903. The reversal of 245155896 is 698551542.

245155896 is a `hidden beast` number, since 2 + 4 + 5 + 1 + 558 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 41971 + ... + 47453.

It is an arithmetic number, because the mean of its divisors is an integer number (7485660).

Almost surely, 2^245155896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245155896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359311680).

245155896 is an abundant number, since it is smaller than the sum of its proper divisors (473467464).

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

245155896 is a wasteful number, since it uses less digits than its factorization.

245155896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527 (or 5511 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 245155896 is about 15657.4549656066. The cubic root of 245155896 is about 625.8651664134.

It can be divided in two parts, 245155 and 896, that added together give a triangular number (246051 = T₇₀₁).

The spelling of 245155896 in words is "two hundred forty-five million, one hundred fifty-five thousand, eight hundred ninety-six".