1403252345 has 16 divisors (see below), whose sum is σ = 1837712448. Its totient is φ = 1020143040.

The previous prime is 1403252339. The next prime is 1403252359. The reversal of 1403252345 is 5432523041.

It is a happy number.

It is not a de Polignac number, because 1403252345 - 2⁴ = 1403252329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270062 + ... + 275208.

It is an arithmetic number, because the mean of its divisors is an integer number (114857028).

Almost surely, 2^1403252345 is an apocalyptic number.

It is an amenable number.

1403252345 is a deficient number, since it is larger than the sum of its proper divisors (434460103).

1403252345 is a wasteful number, since it uses less digits than its factorization.

1403252345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1403252345 is about 37460.0099439389. The cubic root of 1403252345 is about 1119.5545488878.

Adding to 1403252345 its reverse (5432523041), we get a palindrome (6835775386).

The spelling of 1403252345 in words is "one billion, four hundred three million, two hundred fifty-two thousand, three hundred forty-five".