245542113401 has 12 divisors (see below), whose sum is σ = 270722541348. Its totient is φ = 221383207584.

The previous prime is 245542113391. The next prime is 245542113407. The reversal of 245542113401 is 104311245542.

It can be written as a sum of positive squares in 2 ways, for example, as 16287885376 + 229254228025 = 127624^2 + 478805^2 .

It is not a de Polignac number, because 245542113401 - 2¹⁸ = 245541851257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245542113407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5083550 + ... + 5131623.

It is an arithmetic number, because the mean of its divisors is an integer number (22560211779).

Almost surely, 2^245542113401 is an apocalyptic number.

It is an amenable number.

245542113401 is a deficient number, since it is larger than the sum of its proper divisors (25180427947).

245542113401 is a wasteful number, since it uses less digits than its factorization.

245542113401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215272 (or 10215229 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 245542113401 its reverse (104311245542), we get a palindrome (349853358943).

The spelling of 245542113401 in words is "two hundred forty-five billion, five hundred forty-two million, one hundred thirteen thousand, four hundred one".