1545374400 has 168 divisors, whose sum is σ = 5102163024. Its totient is φ = 409497600.

The previous prime is 1545374399. The next prime is 1545374401. The reversal of 1545374400 is 44735451.

It is an interprime number because it is at equal distance from previous prime (1545374399) and next prime (1545374401).

It is not an unprimeable number, because it can be changed into a prime (1545374401) 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, 829470 + ... + 831330.

It is an arithmetic number, because the mean of its divisors is an integer number (30370018).

Almost surely, 2^1545374400 is an apocalyptic number.

1545374400 is a gapful number since it is divisible by the number (10) 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 1545374400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551081512).

1545374400 is an abundant number, since it is smaller than the sum of its proper divisors (3556788624).

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

1545374400 is a wasteful number, since it uses less digits than its factorization.

1545374400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1545374400 is about 39311.2502981017. The cubic root of 1545374400 is about 1156.1421583375.

The spelling of 1545374400 in words is "one billion, five hundred forty-five million, three hundred seventy-four thousand, four hundred".