1045545031400 has 48 divisors (see below), whose sum is σ = 2431020883500. Its totient is φ = 418195873280.

The previous prime is 1045545031381. The next prime is 1045545031409. The reversal of 1045545031400 is 41305455401.

It can be written as a sum of positive squares in 6 ways, for example, as 480645477796 + 564899553604 = 693286^2 + 751598^2 .

It is not an unprimeable number, because it can be changed into a prime (1045545031409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3950426 + ... + 4206774.

Almost surely, 2^{1045545031400} is an apocalyptic number.

1045545031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045545031400 is an abundant number, since it is smaller than the sum of its proper divisors (1385475852100).

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

1045545031400 is a wasteful number, since it uses less digits than its factorization.

1045545031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276758 (or 276749 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 1045545031400 in words is "one trillion, forty-five billion, five hundred forty-five million, thirty-one thousand, four hundred".