245455101 has 18 divisors (see below), whose sum is σ = 367204890. Its totient is φ = 157989216.

The previous prime is 245455099. The next prime is 245455109. The reversal of 245455101 is 101554542.

It can be written as a sum of positive squares in 3 ways, for example, as 62394201 + 183060900 = 7899^2 + 13530^2 .

It is not a de Polignac number, because 245455101 - 2¹ = 245455099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245455109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8646 + ... + 23783.

Almost surely, 2^245455101 is an apocalyptic number.

It is an amenable number.

245455101 is a deficient number, since it is larger than the sum of its proper divisors (121749789).

245455101 is a wasteful number, since it uses less digits than its factorization.

245455101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32493 (or 32461 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 245455101 is about 15667.0067658120. The cubic root of 245455101 is about 626.1196790988.

It can be divided in two parts, 24545 and 5101, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 245455101 in words is "two hundred forty-five million, four hundred fifty-five thousand, one hundred one".