1345202010 has 144 divisors (see below), whose sum is σ = 3786512184. Its totient is φ = 330190848.

The previous prime is 1345202009. The next prime is 1345202017. The reversal of 1345202010 is 102025431.

1345202010 is a `hidden beast` number, since 13 + 452 + 0 + 201 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 154330929 + 1190871081 = 12423^2 + 34509^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345202017) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4297614 + ... + 4297926.

Almost surely, 2^1345202010 is an apocalyptic number.

1345202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893256092).

1345202010 is an abundant number, since it is smaller than the sum of its proper divisors (2441310174).

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

1345202010 is a wasteful number, since it uses less digits than its factorization.

1345202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1345202010 is about 36676.9956512253. The cubic root of 1345202010 is about 1103.8985660194.

Adding to 1345202010 its reverse (102025431), we get a palindrome (1447227441).

The spelling of 1345202010 in words is "one billion, three hundred forty-five million, two hundred two thousand, ten".