172942854 has 24 divisors (see below), whose sum is σ = 402357528. Its totient is φ = 49412160.

The previous prime is 172942849. The next prime is 172942859. The reversal of 172942854 is 458249271.

172942854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172942849) and next prime (172942859).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172942859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293827 + ... + 294414.

It is an arithmetic number, because the mean of its divisors is an integer number (16764897).

Almost surely, 2^172942854 is an apocalyptic number.

172942854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172942854 is an abundant number, since it is smaller than the sum of its proper divisors (229414674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172942854 is a wasteful number, since it uses less digits than its factorization.

172942854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588260 (or 588253 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 172942854 is about 13150.7738935775. The cubic root of 172942854 is about 557.1441060740.

The spelling of 172942854 in words is "one hundred seventy-two million, nine hundred forty-two thousand, eight hundred fifty-four".