1345445250340 has 48 divisors (see below), whose sum is σ = 2948453988480. Its totient is φ = 514748678400.

The previous prime is 1345445250329. The next prime is 1345445250343. The reversal of 1345445250340 is 430525445431.

It is a junction number, because it is equal to n+sod(n) for n = 1345445250293 and 1345445250302.

It is not an unprimeable number, because it can be changed into a prime (1345445250343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8686696 + ... + 8840224.

It is an arithmetic number, because the mean of its divisors is an integer number (61426124760).

Almost surely, 2^{1345445250340} is an apocalyptic number.

1345445250340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345445250340 is an abundant number, since it is smaller than the sum of its proper divisors (1603008738140).

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

1345445250340 is a wasteful number, since it uses less digits than its factorization.

1345445250340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172612 (or 172610 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 1345445250340 in words is "one trillion, three hundred forty-five billion, four hundred forty-five million, two hundred fifty thousand, three hundred forty".