142747532 has 12 divisors (see below), whose sum is σ = 262956120. Its totient is φ = 67617216.

The previous prime is 142747511. The next prime is 142747537. The reversal of 142747532 is 235747241.

It is a junction number, because it is equal to n+sod(n) for n = 142747492 and 142747501.

It is not an unprimeable number, because it can be changed into a prime (142747537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939053 + ... + 939204.

It is an arithmetic number, because the mean of its divisors is an integer number (21913010).

Almost surely, 2^142747532 is an apocalyptic number.

It is an amenable number.

142747532 is a deficient number, since it is larger than the sum of its proper divisors (120208588).

142747532 is a wasteful number, since it uses less digits than its factorization.

142747532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878280 (or 1878278 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 142747532 is about 11947.6998623166. The cubic root of 142747532 is about 522.6242244867.

The spelling of 142747532 in words is "one hundred forty-two million, seven hundred forty-seven thousand, five hundred thirty-two".