142949302 has 4 divisors (see below), whose sum is σ = 214423956. Its totient is φ = 71474650.

The previous prime is 142949297. The next prime is 142949309. The reversal of 142949302 is 203949241.

142949302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203949241 = 317 ⋅643373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142949309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35737324 + ... + 35737327.

It is an arithmetic number, because the mean of its divisors is an integer number (53605989).

Almost surely, 2^142949302 is an apocalyptic number.

142949302 is a deficient number, since it is larger than the sum of its proper divisors (71474654).

142949302 is an equidigital number, since it uses as much as digits as its factorization.

142949302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71474653.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 142949302 is about 11956.1407653139. The cubic root of 142949302 is about 522.8703472362.

The spelling of 142949302 in words is "one hundred forty-two million, nine hundred forty-nine thousand, three hundred two".