542145525 has 24 divisors (see below), whose sum is σ = 943525920. Its totient is φ = 273925440.

The previous prime is 542145511. The next prime is 542145529. The reversal of 542145525 is 525541245.

542145525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542145525 - 2⁵ = 542145493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542145529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188802 + ... + 191651.

It is an arithmetic number, because the mean of its divisors is an integer number (39313580).

Almost surely, 2^542145525 is an apocalyptic number.

It is an amenable number.

542145525 is a deficient number, since it is larger than the sum of its proper divisors (401380395).

542145525 is a wasteful number, since it uses less digits than its factorization.

542145525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380485 (or 380480 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 542145525 is about 23284.0186608755. The cubic root of 542145525 is about 815.4023506711.

The spelling of 542145525 in words is "five hundred forty-two million, one hundred forty-five thousand, five hundred twenty-five".