1545135357 has 4 divisors (see below), whose sum is σ = 2060180480. Its totient is φ = 1030090236.

The previous prime is 1545135349. The next prime is 1545135367. The reversal of 1545135357 is 7535315451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7535315451 = 3 ⋅2511771817.

It is not a de Polignac number, because 1545135357 - 2³ = 1545135349 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 (1545135367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257522557 + ... + 257522562.

It is an arithmetic number, because the mean of its divisors is an integer number (515045120).

Almost surely, 2^1545135357 is an apocalyptic number.

It is an amenable number.

1545135357 is a deficient number, since it is larger than the sum of its proper divisors (515045123).

1545135357 is an equidigital number, since it uses as much as digits as its factorization.

1545135357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515045122.

The product of its digits is 157500, while the sum is 39.

The square root of 1545135357 is about 39308.2097913400. The cubic root of 1545135357 is about 1156.0825434548.

The spelling of 1545135357 in words is "one billion, five hundred forty-five million, one hundred thirty-five thousand, three hundred fifty-seven".