172469142 has 16 divisors (see below), whose sum is σ = 383264880. Its totient is φ = 57489696.

The previous prime is 172469117. The next prime is 172469147. The reversal of 172469142 is 241964271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172469097 and 172469106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172469147) 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, 1596883 + ... + 1596990.

It is an arithmetic number, because the mean of its divisors is an integer number (23954055).

Almost surely, 2^172469142 is an apocalyptic number.

172469142 is an abundant number, since it is smaller than the sum of its proper divisors (210795738).

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

172469142 is a wasteful number, since it uses less digits than its factorization.

172469142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193884 (or 3193878 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 172469142 is about 13132.7507400392. The cubic root of 172469142 is about 556.6349452245.

The spelling of 172469142 in words is "one hundred seventy-two million, four hundred sixty-nine thousand, one hundred forty-two".