1545371053 has 4 divisors (see below), whose sum is σ = 1598659740. Its totient is φ = 1492082368.

The previous prime is 1545371041. The next prime is 1545371059. The reversal of 1545371053 is 3501735451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346965129 + 1198405924 = 18627^2 + 34618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1545371053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545371059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26644300 + ... + 26644357.

It is an arithmetic number, because the mean of its divisors is an integer number (399664935).

Almost surely, 2^1545371053 is an apocalyptic number.

It is an amenable number.

1545371053 is a deficient number, since it is larger than the sum of its proper divisors (53288687).

1545371053 is an equidigital number, since it uses as much as digits as its factorization.

1545371053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53288686.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 1545371053 is about 39311.2077275680. The cubic root of 1545371053 is about 1156.1413236723.

The spelling of 1545371053 in words is "one billion, five hundred forty-five million, three hundred seventy-one thousand, fifty-three".