1245050401045 has 16 divisors (see below), whose sum is σ = 1725759701568. Its totient is φ = 852227011840.

The previous prime is 1245050401037. The next prime is 1245050401057. The reversal of 1245050401045 is 5401040505421.

It is a happy number.

It is not a de Polignac number, because 1245050401045 - 2³ = 1245050401037 is a prime.

It is a super-2 number, since 2×1245050401045² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245050400998 and 1245050401016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665801419 + ... + 665803288.

It is an arithmetic number, because the mean of its divisors is an integer number (107859981348).

Almost surely, 2^{1245050401045} is an apocalyptic number.

It is an amenable number.

1245050401045 is a deficient number, since it is larger than the sum of its proper divisors (480709300523).

1245050401045 is a wasteful number, since it uses less digits than its factorization.

1245050401045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331604740.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 1245050401045 its reverse (5401040505421), we get a palindrome (6646090906466).

The spelling of 1245050401045 in words is "one trillion, two hundred forty-five billion, fifty million, four hundred one thousand, forty-five".