142903153 has 2 divisors, whose sum is σ = 142903154. Its totient is φ = 142903152.

The previous prime is 142903129. The next prime is 142903157. The reversal of 142903153 is 351309241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 24681024 = 10873^2 + 4968^2 .

It is an emirp because it is prime and its reverse (351309241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142903153 is a prime.

It is a super-2 number, since 2×142903153² = 40842622274682818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142903157) 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, 71451576 + 71451577.

It is an arithmetic number, because the mean of its divisors is an integer number (71451577).

Almost surely, 2^142903153 is an apocalyptic number.

It is an amenable number.

142903153 is a deficient number, since it is larger than the sum of its proper divisors (1).

142903153 is an equidigital number, since it uses as much as digits as its factorization.

142903153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 142903153 is about 11954.2106807601. The cubic root of 142903153 is about 522.8140742769.

The spelling of 142903153 in words is "one hundred forty-two million, nine hundred three thousand, one hundred fifty-three".