1245422351045 has 16 divisors (see below), whose sum is σ = 1499060195568. Its totient is φ = 993302768640.

The previous prime is 1245422351039. The next prime is 1245422351071. The reversal of 1245422351045 is 5401532245421.

It can be written as a sum of positive squares in 8 ways, for example, as 129656886241 + 1115765464804 = 360079^2 + 1056298^2 .

It is not a de Polignac number, because 1245422351045 - 2²⁰ = 1245421302469 is a prime.

It is a Duffinian number.

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, 31086767 + ... + 31126803.

It is an arithmetic number, because the mean of its divisors is an integer number (93691262223).

Almost surely, 2^{1245422351045} is an apocalyptic number.

It is an amenable number.

1245422351045 is a deficient number, since it is larger than the sum of its proper divisors (253637844523).

1245422351045 is a wasteful number, since it uses less digits than its factorization.

1245422351045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58840.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1245422351045 its reverse (5401532245421), we get a palindrome (6646954596466).

The spelling of 1245422351045 in words is "one trillion, two hundred forty-five billion, four hundred twenty-two million, three hundred fifty-one thousand, forty-five".