1451315423252 has 12 divisors (see below), whose sum is σ = 2568339092340. Its totient is φ = 717504254016.

The previous prime is 1451315423251. The next prime is 1451315423297. The reversal of 1451315423252 is 2523245131541.

It can be written as a sum of positive squares in 2 ways, for example, as 261370427536 + 1189944995716 = 511244^2 + 1090846^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451315423251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038364003 + ... + 2038364714.

It is an arithmetic number, because the mean of its divisors is an integer number (214028257695).

Almost surely, 2^{1451315423252} is an apocalyptic number.

It is an amenable number.

1451315423252 is a deficient number, since it is larger than the sum of its proper divisors (1117023669088).

1451315423252 is a wasteful number, since it uses less digits than its factorization.

1451315423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076728810 (or 4076728808 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 1451315423252 in words is "one trillion, four hundred fifty-one billion, three hundred fifteen million, four hundred twenty-three thousand, two hundred fifty-two".