1545375216 has 120 divisors (see below), whose sum is σ = 5015151232. Its totient is φ = 401385600.

The previous prime is 1545375211. The next prime is 1545375233. The reversal of 1545375216 is 6125735451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545375211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21651 + ... + 59661.

Almost surely, 2^1545375216 is an apocalyptic number.

1545375216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545375216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507575616).

1545375216 is an abundant number, since it is smaller than the sum of its proper divisors (3469776016).

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

1545375216 is a wasteful number, since it uses less digits than its factorization.

1545375216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38051 (or 38034 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 1545375216 is about 39311.2606768086. The cubic root of 1545375216 is about 1156.1423618290.

The spelling of 1545375216 in words is "one billion, five hundred forty-five million, three hundred seventy-five thousand, two hundred sixteen".