245401404255142 has 8 divisors (see below), whose sum is σ = 368102241579600. Its totient is φ = 122700657061944.

The previous prime is 245401404255097. The next prime is 245401404255157. The reversal of 245401404255142 is 241552404104542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×245401404255142² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15256042 + ... + 26898877.

It is an arithmetic number, because the mean of its divisors is an integer number (46012780197450).

Almost surely, 2^{245401404255142} is an apocalyptic number.

245401404255142 is a deficient number, since it is larger than the sum of its proper divisors (122700837324458).

245401404255142 is a wasteful number, since it uses less digits than its factorization.

245401404255142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45065630.

The product of its (nonzero) digits is 1024000, while the sum is 43.

Adding to 245401404255142 its reverse (241552404104542), we get a palindrome (486953808359684).

The spelling of 245401404255142 in words is "two hundred forty-five trillion, four hundred one billion, four hundred four million, two hundred fifty-five thousand, one hundred forty-two".