2203145402 has 8 divisors (see below), whose sum is σ = 3349988436. Its totient is φ = 1086482592.

The previous prime is 2203145369. The next prime is 2203145429. The reversal of 2203145402 is 2045413022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2194079281 + 9066121 = 46841^2 + 3011^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7544873 + ... + 7545164.

Almost surely, 2^2203145402 is an apocalyptic number.

2203145402 is a deficient number, since it is larger than the sum of its proper divisors (1146843034).

2203145402 is a wasteful number, since it uses less digits than its factorization.

2203145402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15090112.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2203145402 is about 46937.6757200439. The cubic root of 2203145402 is about 1301.2109824375.

Adding to 2203145402 its reverse (2045413022), we get a palindrome (4248558424).

The spelling of 2203145402 in words is "two billion, two hundred three million, one hundred forty-five thousand, four hundred two".