1245343164 has 24 divisors (see below), whose sum is σ = 3129324240. Its totient is φ = 383182464.

The previous prime is 1245343157. The next prime is 1245343171. The reversal of 1245343164 is 4613435421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1245343157) and next prime (1245343171).

It is a super-2 number, since 2×1245343164² = 3101759192243061792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991329 + ... + 3991640.

It is an arithmetic number, because the mean of its divisors is an integer number (130388510).

Almost surely, 2^1245343164 is an apocalyptic number.

It is an amenable number.

1245343164 is an abundant number, since it is smaller than the sum of its proper divisors (1883981076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245343164 is a wasteful number, since it uses less digits than its factorization.

1245343164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982989 (or 7982987 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 1245343164 is about 35289.4200009011. The cubic root of 1245343164 is about 1075.8779671630.

Adding to 1245343164 its reverse (4613435421), we get a palindrome (5858778585).

The spelling of 1245343164 in words is "one billion, two hundred forty-five million, three hundred forty-three thousand, one hundred sixty-four".