1545213040 has 60 divisors (see below), whose sum is σ = 4179181176. Its totient is φ = 529785984.

The previous prime is 1545213029. The next prime is 1545213067. The reversal of 1545213040 is 403125451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1545212996 and 1545213014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193174 + ... + 201013.

Almost surely, 2^1545213040 is an apocalyptic number.

1545213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545213040 is an abundant number, since it is smaller than the sum of its proper divisors (2633968136).

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

1545213040 is a wasteful number, since it uses less digits than its factorization.

1545213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394214 (or 394201 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1545213040 is about 39309.1979058337. The cubic root of 1545213040 is about 1156.1019174759.

Adding to 1545213040 its reverse (403125451), we get a palindrome (1948338491).

The spelling of 1545213040 in words is "one billion, five hundred forty-five million, two hundred thirteen thousand, forty".