142000004 has 12 divisors (see below), whose sum is σ = 248597328. Its totient is φ = 70972200.

The previous prime is 142000003. The next prime is 142000039. The reversal of 142000004 is 400000241.

It is a super-2 number, since 2×142000004² = 40328002272000032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142000003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8219 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (20716444).

Almost surely, 2^142000004 is an apocalyptic number.

It is an amenable number.

142000004 is a deficient number, since it is larger than the sum of its proper divisors (106597324).

142000004 is a wasteful number, since it uses less digits than its factorization.

142000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13906 (or 13904 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 142000004 is about 11916.3754556493. The cubic root of 142000004 is about 521.7103495263.

Adding to 142000004 its reverse (400000241), we get a palindrome (542000245).

The spelling of 142000004 in words is "one hundred forty-two million, four", and thus it is an aban number.