1545241340 has 24 divisors (see below), whose sum is σ = 3257945712. Its totient is φ = 615632000.

The previous prime is 1545241339. The next prime is 1545241349. The reversal of 1545241340 is 431425451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545241349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148889 + ... + 158928.

It is an arithmetic number, because the mean of its divisors is an integer number (135747738).

Almost surely, 2^1545241340 is an apocalyptic number.

1545241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545241340 is an abundant number, since it is smaller than the sum of its proper divisors (1712704372).

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

1545241340 is a wasteful number, since it uses less digits than its factorization.

1545241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308077 (or 308075 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1545241340 is about 39309.5578708283. The cubic root of 1545241340 is about 1156.1089752912.

Adding to 1545241340 its reverse (431425451), we get a palindrome (1976666791).

The spelling of 1545241340 in words is "one billion, five hundred forty-five million, two hundred forty-one thousand, three hundred forty".