142471628 has 24 divisors (see below), whose sum is σ = 284300352. Its totient is φ = 61887744.

The previous prime is 142471627. The next prime is 142471657. The reversal of 142471628 is 826174241.

It is not an unprimeable number, because it can be changed into a prime (142471627) 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, 79700 + ... + 81467.

It is an arithmetic number, because the mean of its divisors is an integer number (11845848).

Almost surely, 2^142471628 is an apocalyptic number.

It is an amenable number.

142471628 is a deficient number, since it is larger than the sum of its proper divisors (141828724).

142471628 is a wasteful number, since it uses less digits than its factorization.

142471628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161201 (or 161199 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 142471628 is about 11936.1479548471. The cubic root of 142471628 is about 522.2872960372.

The spelling of 142471628 in words is "one hundred forty-two million, four hundred seventy-one thousand, six hundred twenty-eight".