1202340145 has 8 divisors (see below), whose sum is σ = 1492560360. Its totient is φ = 928704000.

The previous prime is 1202340143. The next prime is 1202340187. The reversal of 1202340145 is 5410432021.

It can be written as a sum of positive squares in 4 ways, for example, as 158533281 + 1043806864 = 12591^2 + 32308^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202340145 - 2¹ = 1202340143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202340143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145856 + ... + 4146145.

It is an arithmetic number, because the mean of its divisors is an integer number (186570045).

Almost surely, 2^1202340145 is an apocalyptic number.

It is an amenable number.

1202340145 is a deficient number, since it is larger than the sum of its proper divisors (290220215).

1202340145 is an equidigital number, since it uses as much as digits as its factorization.

1202340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292035.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1202340145 is about 34674.7767837084. The cubic root of 1202340145 is about 1063.3488915111.

Adding to 1202340145 its reverse (5410432021), we get a palindrome (6612772166).

The spelling of 1202340145 in words is "one billion, two hundred two million, three hundred forty thousand, one hundred forty-five".