245042061 has 24 divisors (see below), whose sum is σ = 360185280. Its totient is φ = 148072320.

The previous prime is 245042041. The next prime is 245042081. The reversal of 245042061 is 160240542.

It is an interprime number because it is at equal distance from previous prime (245042041) and next prime (245042081).

It is not a de Polignac number, because 245042061 - 2⁷ = 245041933 is a prime.

It is a super-2 number, since 2×245042061² = 120091223318255442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245042041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156400 + ... + 157958.

It is an arithmetic number, because the mean of its divisors is an integer number (15007720).

Almost surely, 2^245042061 is an apocalyptic number.

It is an amenable number.

245042061 is a deficient number, since it is larger than the sum of its proper divisors (115143219).

245042061 is a wasteful number, since it uses less digits than its factorization.

245042061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 245042061 is about 15653.8193741975. The cubic root of 245042061 is about 625.7682805916.

It can be divided in two parts, 24504 and 2061, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 245042061 in words is "two hundred forty-five million, forty-two thousand, sixty-one".