545153253 has 8 divisors (see below), whose sum is σ = 728390400. Its totient is φ = 362675808.

The previous prime is 545153243. The next prime is 545153293. The reversal of 545153253 is 352351545.

It is a happy number.

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

It is not a de Polignac number, because 545153253 - 2²⁰ = 544104677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545153243) 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, 188248 + ... + 191121.

It is an arithmetic number, because the mean of its divisors is an integer number (91048800).

Almost surely, 2^545153253 is an apocalyptic number.

It is an amenable number.

545153253 is a deficient number, since it is larger than the sum of its proper divisors (183237147).

545153253 is a wasteful number, since it uses less digits than its factorization.

545153253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379851.

The product of its digits is 45000, while the sum is 33.

The square root of 545153253 is about 23348.5171477762. The cubic root of 545153253 is about 816.9074736400.

The spelling of 545153253 in words is "five hundred forty-five million, one hundred fifty-three thousand, two hundred fifty-three".