142004499 has 48 divisors (see below), whose sum is σ = 249742080. Its totient is φ = 70943040.

The previous prime is 142004497. The next prime is 142004509. The reversal of 142004499 is 994400241.

It is not a de Polignac number, because 142004499 - 2¹ = 142004497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142004497) 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 47 ways as a sum of consecutive naturals, for example, 34354 + ... + 38264.

It is an arithmetic number, because the mean of its divisors is an integer number (5202960).

Almost surely, 2^142004499 is an apocalyptic number.

142004499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

142004499 is a deficient number, since it is larger than the sum of its proper divisors (107737581).

142004499 is a wasteful number, since it uses less digits than its factorization.

142004499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 142004499 is about 11916.5640601643. The cubic root of 142004499 is about 521.7158543695.

The spelling of 142004499 in words is "one hundred forty-two million, four thousand, four hundred ninety-nine".