10099142 has 4 divisors (see below), whose sum is σ = 15148716. Its totient is φ = 5049570.

The previous prime is 10099073. The next prime is 10099147. The reversal of 10099142 is 24199001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10099147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2524784 + ... + 2524787.

It is an arithmetic number, because the mean of its divisors is an integer number (3787179).

Almost surely, 2^10099142 is an apocalyptic number.

10099142 is a deficient number, since it is larger than the sum of its proper divisors (5049574).

10099142 is an equidigital number, since it uses as much as digits as its factorization.

10099142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049573.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 10099142 is about 3177.9147250988. The cubic root of 10099142 is about 216.1531121765.

The spelling of 10099142 in words is "ten million, ninety-nine thousand, one hundred forty-two".