142145504 has 12 divisors (see below), whose sum is σ = 279849024. Its totient is φ = 71072736.

The previous prime is 142145503. The next prime is 142145513. The reversal of 142145504 is 405541241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142145503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220992 + ... + 2221055.

It is an arithmetic number, because the mean of its divisors is an integer number (23320752).

Almost surely, 2^142145504 is an apocalyptic number.

It is an amenable number.

142145504 is a deficient number, since it is larger than the sum of its proper divisors (137703520).

142145504 is an equidigital number, since it uses as much as digits as its factorization.

142145504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442057 (or 4442049 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 142145504 is about 11922.4789368654. The cubic root of 142145504 is about 521.8884784978. Note that the first 3 decimals are identical.

Adding to 142145504 its reverse (405541241), we get a palindrome (547686745).

The spelling of 142145504 in words is "one hundred forty-two million, one hundred forty-five thousand, five hundred four".