1023252445 has 4 divisors (see below), whose sum is σ = 1227902940. Its totient is φ = 818601952.

The previous prime is 1023252437. The next prime is 1023252473. The reversal of 1023252445 is 5442523201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189833284 + 833419161 = 13778^2 + 28869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023252445 - 2³ = 1023252437 is a prime.

It is a congruent number.

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, 102325240 + ... + 102325249.

It is an arithmetic number, because the mean of its divisors is an integer number (306975735).

Almost surely, 2^1023252445 is an apocalyptic number.

It is an amenable number.

1023252445 is a deficient number, since it is larger than the sum of its proper divisors (204650495).

1023252445 is an equidigital number, since it uses as much as digits as its factorization.

1023252445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204650494.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1023252445 is about 31988.3173205469. The cubic root of 1023252445 is about 1007.6915040903.

Adding to 1023252445 its reverse (5442523201), we get a palindrome (6465775646).

The spelling of 1023252445 in words is "one billion, twenty-three million, two hundred fifty-two thousand, four hundred forty-five".