147142733 has 2 divisors, whose sum is σ = 147142734. Its totient is φ = 147142732.

The previous prime is 147142729. The next prime is 147142739. The reversal of 147142733 is 337241741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130804969 + 16337764 = 11437^2 + 4042^2 .

It is an emirp because it is prime and its reverse (337241741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147142733 - 2² = 147142729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147142733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147142739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73571366 + 73571367.

It is an arithmetic number, because the mean of its divisors is an integer number (73571367).

Almost surely, 2^147142733 is an apocalyptic number.

It is an amenable number.

147142733 is a deficient number, since it is larger than the sum of its proper divisors (1).

147142733 is an equidigital number, since it uses as much as digits as its factorization.

147142733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 147142733 is about 12130.2404345503. The cubic root of 147142733 is about 527.9339681064.

The spelling of 147142733 in words is "one hundred forty-seven million, one hundred forty-two thousand, seven hundred thirty-three".