1545101340 has 24 divisors (see below), whose sum is σ = 4326283920. Its totient is φ = 412027008.

The previous prime is 1545101323. The next prime is 1545101407. The reversal of 1545101340 is 431015451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1545101340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12875785 + ... + 12875904.

It is an arithmetic number, because the mean of its divisors is an integer number (180261830).

Almost surely, 2^1545101340 is an apocalyptic number.

1545101340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545101340 is an abundant number, since it is smaller than the sum of its proper divisors (2781182580).

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

1545101340 is a wasteful number, since it uses less digits than its factorization.

1545101340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25751701 (or 25751699 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1545101340 is about 39307.7770930894. Note that the first 3 decimals coincide. The cubic root of 1545101340 is about 1156.0740594627.

Adding to 1545101340 its reverse (431015451), we get a palindrome (1976116791).

It can be divided in two parts, 15 and 45101340, that multiplied together give a square (676520100 = 26010²).

The spelling of 1545101340 in words is "one billion, five hundred forty-five million, one hundred one thousand, three hundred forty".