245430142 has 4 divisors (see below), whose sum is σ = 368145216. Its totient is φ = 122715070.

The previous prime is 245430137. The next prime is 245430181. The reversal of 245430142 is 241034542.

It is a happy number.

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

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, 61357534 + ... + 61357537.

It is an arithmetic number, because the mean of its divisors is an integer number (92036304).

Almost surely, 2^245430142 is an apocalyptic number.

245430142 is a deficient number, since it is larger than the sum of its proper divisors (122715074).

245430142 is a wasteful number, since it uses less digits than its factorization.

245430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122715073.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 245430142 is about 15666.2101990239. The cubic root of 245430142 is about 626.0984561396.

Adding to 245430142 its reverse (241034542), we get a palindrome (486464684).

The spelling of 245430142 in words is "two hundred forty-five million, four hundred thirty thousand, one hundred forty-two".