142545004 has 24 divisors (see below), whose sum is σ = 285343520. Its totient is φ = 61036416.

The previous prime is 142545001. The next prime is 142545023. The reversal of 142545004 is 400545241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142545004.

It is not an unprimeable number, because it can be changed into a prime (142545001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57274 + ... + 59710.

Almost surely, 2^142545004 is an apocalyptic number.

142545004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142545004 is an abundant number, since it is smaller than the sum of its proper divisors (142798516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142545004 is a wasteful number, since it uses less digits than its factorization.

142545004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 142545004 is about 11939.2212476359. The cubic root of 142545004 is about 522.3769437702.

The spelling of 142545004 in words is "one hundred forty-two million, five hundred forty-five thousand, four".