1245255445340 has 24 divisors (see below), whose sum is σ = 2615073310080. Its totient is φ = 498095154368.

The previous prime is 1245255445303. The next prime is 1245255445351. The reversal of 1245255445340 is 435445525421.

It is a super-2 number, since 2×1245255445340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1245255445291 and 1245255445300.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1156181 + ... + 1956339.

It is an arithmetic number, because the mean of its divisors is an integer number (108961387920).

Almost surely, 2^{1245255445340} is an apocalyptic number.

1245255445340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245255445340 is an abundant number, since it is smaller than the sum of its proper divisors (1369817864740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245255445340 is a wasteful number, since it uses less digits than its factorization.

1245255445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877981 (or 877979 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 1245255445340 in words is "one trillion, two hundred forty-five billion, two hundred fifty-five million, four hundred forty-five thousand, three hundred forty".