172502542 has 8 divisors (see below), whose sum is σ = 259914816. Its totient is φ = 85864272.

The previous prime is 172502537. The next prime is 172502543. The reversal of 172502542 is 245205271.

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

It is a self number, because there is not a number n which added to its sum of digits gives 172502542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172502543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192943 + ... + 193834.

It is an arithmetic number, because the mean of its divisors is an integer number (32489352).

Almost surely, 2^172502542 is an apocalyptic number.

172502542 is a deficient number, since it is larger than the sum of its proper divisors (87412274).

172502542 is a wasteful number, since it uses less digits than its factorization.

172502542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387002.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 172502542 is about 13134.0223084933. The cubic root of 172502542 is about 556.6708751440.

The spelling of 172502542 in words is "one hundred seventy-two million, five hundred two thousand, five hundred forty-two".