1545695052 has 48 divisors (see below), whose sum is σ = 3941747712. Its totient is φ = 467529280.

The previous prime is 1545695051. The next prime is 1545695057. The reversal of 1545695052 is 2505965451.

It is a junction number, because it is equal to n+sod(n) for n = 1545694995 and 1545695013.

It is not an unprimeable number, because it can be changed into a prime (1545695051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63013 + ... + 84035.

It is an arithmetic number, because the mean of its divisors is an integer number (82119744).

Almost surely, 2^1545695052 is an apocalyptic number.

1545695052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545695052 is an abundant number, since it is smaller than the sum of its proper divisors (2396052660).

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

1545695052 is a wasteful number, since it uses less digits than its factorization.

1545695052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598 (or 21596 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The square root of 1545695052 is about 39315.3284610468. The cubic root of 1545695052 is about 1156.2221160181. Note that the first 3 decimals are identical.

The spelling of 1545695052 in words is "one billion, five hundred forty-five million, six hundred ninety-five thousand, fifty-two".