1308230445 has 16 divisors (see below), whose sum is σ = 2121844032. Its totient is φ = 688164480.

The previous prime is 1308230437. The next prime is 1308230453. The reversal of 1308230445 is 5440328031.

It is an interprime number because it is at equal distance from previous prime (1308230437) and next prime (1308230453).

It is not a de Polignac number, because 1308230445 - 2³ = 1308230437 is a prime.

It is a super-2 number, since 2×1308230445² = 3422933794449796050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596271 + ... + 598460.

It is an arithmetic number, because the mean of its divisors is an integer number (132615252).

Almost surely, 2^1308230445 is an apocalyptic number.

1308230445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1308230445 is a deficient number, since it is larger than the sum of its proper divisors (813613587).

1308230445 is a wasteful number, since it uses less digits than its factorization.

1308230445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194812.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1308230445 is about 36169.4684091431. The cubic root of 1308230445 is about 1093.6912827472.

Adding to 1308230445 its reverse (5440328031), we get a palindrome (6748558476).

The spelling of 1308230445 in words is "one billion, three hundred eight million, two hundred thirty thousand, four hundred forty-five".