1545479400 has 48 divisors (see below), whose sum is σ = 4790988000. Its totient is φ = 412127680.

The previous prime is 1545479387. The next prime is 1545479407. The reversal of 1545479400 is 49745451.

1545479400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1545479407) 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, 1287300 + ... + 1288499.

It is an arithmetic number, because the mean of its divisors is an integer number (99812250).

Almost surely, 2^1545479400 is an apocalyptic number.

1545479400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545479400 is an abundant number, since it is smaller than the sum of its proper divisors (3245508600).

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

1545479400 is a wasteful number, since it uses less digits than its factorization.

1545479400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575818 (or 2575809 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1545479400 is about 39312.5857709716. The cubic root of 1545479400 is about 1156.1683423219.

The spelling of 1545479400 in words is "one billion, five hundred forty-five million, four hundred seventy-nine thousand, four hundred".