1245152144401 has 4 divisors (see below), whose sum is σ = 1358347793904. Its totient is φ = 1131956494900.

The previous prime is 1245152144387. The next prime is 1245152144419. The reversal of 1245152144401 is 1044412515421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1245152144401 - 2¹⁵ = 1245152111633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245152144441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56597824735 + ... + 56597824756.

It is an arithmetic number, because the mean of its divisors is an integer number (339586948476).

Almost surely, 2^{1245152144401} is an apocalyptic number.

1245152144401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1245152144401 is a deficient number, since it is larger than the sum of its proper divisors (113195649503).

1245152144401 is a wasteful number, since it uses less digits than its factorization.

1245152144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113195649502.

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 1245152144401 its reverse (1044412515421), we get a palindrome (2289564659822).

The spelling of 1245152144401 in words is "one trillion, two hundred forty-five billion, one hundred fifty-two million, one hundred forty-four thousand, four hundred one".