142961204 has 6 divisors (see below), whose sum is σ = 250182114. Its totient is φ = 71480600.

The previous prime is 142961191. The next prime is 142961207. The reversal of 142961204 is 402169241.

It can be written as a sum of positive squares in only one way, i.e., 107081104 + 35880100 = 10348^2 + 5990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142961207) 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, 17870147 + ... + 17870154.

It is an arithmetic number, because the mean of its divisors is an integer number (41697019).

Almost surely, 2^142961204 is an apocalyptic number.

It is an amenable number.

142961204 is a deficient number, since it is larger than the sum of its proper divisors (107220910).

142961204 is a wasteful number, since it uses less digits than its factorization.

142961204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35740305 (or 35740303 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 142961204 is about 11956.6384908134. The cubic root of 142961204 is about 522.8848582787.

The spelling of 142961204 in words is "one hundred forty-two million, nine hundred sixty-one thousand, two hundred four".