1345204501 has 8 divisors (see below), whose sum is σ = 1371307320. Its totient is φ = 1319128512.

The previous prime is 1345204481. The next prime is 1345204517. The reversal of 1345204501 is 1054025431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34692100 + 1310512401 = 5890^2 + 36201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345204501 - 2²¹ = 1343107349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345204571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115995 + ... + 127063.

It is an arithmetic number, because the mean of its divisors is an integer number (171413415).

Almost surely, 2^1345204501 is an apocalyptic number.

It is an amenable number.

1345204501 is a deficient number, since it is larger than the sum of its proper divisors (26102819).

1345204501 is a wasteful number, since it uses less digits than its factorization.

1345204501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1345204501 is about 36677.0296098253. The cubic root of 1345204501 is about 1103.8992474064.

Adding to 1345204501 its reverse (1054025431), we get a palindrome (2399229932).

The spelling of 1345204501 in words is "one billion, three hundred forty-five million, two hundred four thousand, five hundred one".