245746057 has 12 divisors (see below), whose sum is σ = 260878320. Its totient is φ = 231450552.

The previous prime is 245746051. The next prime is 245746063. The reversal of 245746057 is 750647542.

245746057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245746051) and next prime (245746063).

It is not a de Polignac number, because 245746057 - 2¹⁵ = 245713289 is a prime.

It is a super-2 number, since 2×245746057² = 120782249062094498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245746051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62718 + ... + 66520.

It is an arithmetic number, because the mean of its divisors is an integer number (21739860).

Almost surely, 2^245746057 is an apocalyptic number.

It is an amenable number.

245746057 is a deficient number, since it is larger than the sum of its proper divisors (15132263).

245746057 is a wasteful number, since it uses less digits than its factorization.

245746057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 245746057 is about 15676.2896439177. The cubic root of 245746057 is about 626.3669766600.

The spelling of 245746057 in words is "two hundred forty-five million, seven hundred forty-six thousand, fifty-seven".