245420403453042 has 48 divisors (see below), whose sum is σ = 503774351378208. Its totient is φ = 79705053321600.

The previous prime is 245420403452981. The next prime is 245420403453059. The reversal of 245420403453042 is 240354304024542.

It is a super-3 number, since 3×245420403453042³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245420403452985 and 245420403453003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23134728 + ... + 32032115.

It is an arithmetic number, because the mean of its divisors is an integer number (10495298987046).

Almost surely, 2^{245420403453042} is an apocalyptic number.

245420403453042 is an abundant number, since it is smaller than the sum of its proper divisors (258353947925166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245420403453042 is a wasteful number, since it uses less digits than its factorization.

245420403453042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55167335 (or 55167292 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 42.

Adding to 245420403453042 its reverse (240354304024542), we get a palindrome (485774707477584).

The spelling of 245420403453042 in words is "two hundred forty-five trillion, four hundred twenty billion, four hundred three million, four hundred fifty-three thousand, forty-two".