142471506 has 32 divisors (see below), whose sum is σ = 288422208. Its totient is φ = 46914560.

The previous prime is 142471501. The next prime is 142471507. The reversal of 142471506 is 605174241.

It is not an unprimeable number, because it can be changed into a prime (142471501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289921 + ... + 290411.

It is an arithmetic number, because the mean of its divisors is an integer number (9013194).

Almost surely, 2^142471506 is an apocalyptic number.

142471506 is an abundant number, since it is smaller than the sum of its proper divisors (145950702).

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

142471506 is a wasteful number, since it uses less digits than its factorization.

142471506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 142471506 is about 11936.1428443195. The cubic root of 142471506 is about 522.2871469571.

It can be divided in two parts, 14247 and 1506, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 142471506 in words is "one hundred forty-two million, four hundred seventy-one thousand, five hundred six".