245235240142 has 4 divisors (see below), whose sum is σ = 367852860216. Its totient is φ = 122617620070.

The previous prime is 245235240121. The next prime is 245235240163. The reversal of 245235240142 is 241042532542.

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

It is an interprime number because it is at equal distance from previous prime (245235240121) and next prime (245235240163).

It is a junction number, because it is equal to n+sod(n) for n = 245235240098 and 245235240107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61308810034 + ... + 61308810037.

It is an arithmetic number, because the mean of its divisors is an integer number (91963215054).

Almost surely, 2^245235240142 is an apocalyptic number.

245235240142 is a deficient number, since it is larger than the sum of its proper divisors (122617620074).

245235240142 is a wasteful number, since it uses less digits than its factorization.

245235240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122617620073.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 245235240142 its reverse (241042532542), we get a palindrome (486277772684).

The spelling of 245235240142 in words is "two hundred forty-five billion, two hundred thirty-five million, two hundred forty thousand, one hundred forty-two".