142545152 has 18 divisors (see below), whose sum is σ = 284533998. Its totient is φ = 71272448.

The previous prime is 142545133. The next prime is 142545197. The reversal of 142545152 is 251545241.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 51609856 = 9536^2 + 7184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278153 + ... + 278664.

Almost surely, 2^142545152 is an apocalyptic number.

It is an amenable number.

142545152 is a deficient number, since it is larger than the sum of its proper divisors (141988846).

142545152 is an frugal number, since it uses more digits than its factorization.

142545152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556833 (or 556819 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 142545152 is about 11939.2274456935. The cubic root of 142545152 is about 522.3771245593.

The spelling of 142545152 in words is "one hundred forty-two million, five hundred forty-five thousand, one hundred fifty-two".