142179471 has 24 divisors (see below), whose sum is σ = 238563104. Its totient is φ = 79911360.

The previous prime is 142179467. The next prime is 142179473. The reversal of 142179471 is 174971241.

142179471 is a `hidden beast` number, since 14 + 2 + 179 + 471 = 666.

It is not a de Polignac number, because 142179471 - 2² = 142179467 is a prime.

It is a super-3 number, since 3×142179471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142179473) 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, 14656 + ... + 22341.

Almost surely, 2^142179471 is an apocalyptic number.

142179471 is a deficient number, since it is larger than the sum of its proper divisors (96383633).

142179471 is a wasteful number, since it uses less digits than its factorization.

142179471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37071 (or 37068 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 142179471 is about 11923.9033458008. The cubic root of 142179471 is about 521.9300452343.

The spelling of 142179471 in words is "one hundred forty-two million, one hundred seventy-nine thousand, four hundred seventy-one".