1545243153 has 8 divisors (see below), whose sum is σ = 2168762400. Its totient is φ = 975943008.

The previous prime is 1545243149. The next prime is 1545243157. The reversal of 1545243153 is 3513425451.

It is an interprime number because it is at equal distance from previous prime (1545243149) and next prime (1545243157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1545243153 - 2² = 1545243149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1545243157) 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, 13554708 + ... + 13554821.

It is an arithmetic number, because the mean of its divisors is an integer number (271095300).

Almost surely, 2^1545243153 is an apocalyptic number.

It is an amenable number.

1545243153 is a deficient number, since it is larger than the sum of its proper divisors (623519247).

1545243153 is a wasteful number, since it uses less digits than its factorization.

1545243153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27109551.

The product of its digits is 36000, while the sum is 33.

The square root of 1545243153 is about 39309.5809313709. The cubic root of 1545243153 is about 1156.1094274373.

The spelling of 1545243153 in words is "one billion, five hundred forty-five million, two hundred forty-three thousand, one hundred fifty-three".