142168528 has 10 divisors (see below), whose sum is σ = 275451554. Its totient is φ = 71084256.

The previous prime is 142168519. The next prime is 142168529. The reversal of 142168528 is 825861241.

It can be written as a sum of positive squares in only one way, i.e., 116035984 + 26132544 = 10772^2 + 5112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142168529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4442751 + ... + 4442782.

Almost surely, 2^142168528 is an apocalyptic number.

It is an amenable number.

142168528 is a deficient number, since it is larger than the sum of its proper divisors (133283026).

142168528 is an equidigital number, since it uses as much as digits as its factorization.

142168528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885541 (or 8885535 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 142168528 is about 11923.4444687766. Note that the first 4 decimals coincide. The cubic root of 142168528 is about 521.9166545833.

The spelling of 142168528 in words is "one hundred forty-two million, one hundred sixty-eight thousand, five hundred twenty-eight".