1545332043450 has 192 divisors, whose sum is σ = 4237616275200. Its totient is φ = 370257868800.

The previous prime is 1545332043397. The next prime is 1545332043461. The reversal of 1545332043450 is 543402335451.

It is a super-2 number, since 2×1545332043450² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1545332043399 and 1545332043408.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35076036 + ... + 35120064.

It is an arithmetic number, because the mean of its divisors is an integer number (22070918100).

Almost surely, 2^{1545332043450} is an apocalyptic number.

1545332043450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545332043450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118808137600).

1545332043450 is an abundant number, since it is smaller than the sum of its proper divisors (2692284231750).

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

1545332043450 is a wasteful number, since it uses less digits than its factorization.

1545332043450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44537 (or 44532 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 1545332043450 in words is "one trillion, five hundred forty-five billion, three hundred thirty-two million, forty-three thousand, four hundred fifty".