1402242245 has 8 divisors (see below), whose sum is σ = 1685804280. Its totient is φ = 1119718080.

The previous prime is 1402242241. The next prime is 1402242269. The reversal of 1402242245 is 5422422041.

It can be written as a sum of positive squares in 4 ways, for example, as 638401 + 1401603844 = 799^2 + 37438^2 .

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

It is not a de Polignac number, because 1402242245 - 2² = 1402242241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402242241) 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, 256490 + ... + 261899.

It is an arithmetic number, because the mean of its divisors is an integer number (210725535).

Almost surely, 2^1402242245 is an apocalyptic number.

It is an amenable number.

1402242245 is a deficient number, since it is larger than the sum of its proper divisors (283562035).

1402242245 is an equidigital number, since it uses as much as digits as its factorization.

1402242245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518935.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1402242245 is about 37446.5251391902. The cubic root of 1402242245 is about 1119.2858555901.

Adding to 1402242245 its reverse (5422422041), we get a palindrome (6824664286).

The spelling of 1402242245 in words is "one billion, four hundred two million, two hundred forty-two thousand, two hundred forty-five".