245631098 has 4 divisors (see below), whose sum is σ = 368446650. Its totient is φ = 122815548.

The previous prime is 245631083. The next prime is 245631137. The reversal of 245631098 is 890136542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 198612649 + 47018449 = 14093^2 + 6857^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61407773 + ... + 61407776.

Almost surely, 2^245631098 is an apocalyptic number.

245631098 is a deficient number, since it is larger than the sum of its proper divisors (122815552).

245631098 is a wasteful number, since it uses less digits than its factorization.

245631098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122815551.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 245631098 is about 15672.6225629280. The cubic root of 245631098 is about 626.2692907897.

The spelling of 245631098 in words is "two hundred forty-five million, six hundred thirty-one thousand, ninety-eight".