2345205451 has 4 divisors (see below), whose sum is σ = 2383651504. Its totient is φ = 2306759400.

The previous prime is 2345205449. The next prime is 2345205461. The reversal of 2345205451 is 1545025432.

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

It is a cyclic number.

It is not a de Polignac number, because 2345205451 - 2¹ = 2345205449 is a prime.

It is a super-2 number, since 2×2345205451² = 10999977214800226802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345205461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19222935 + ... + 19223056.

It is an arithmetic number, because the mean of its divisors is an integer number (595912876).

Almost surely, 2^2345205451 is an apocalyptic number.

2345205451 is a deficient number, since it is larger than the sum of its proper divisors (38446053).

2345205451 is an equidigital number, since it uses as much as digits as its factorization.

2345205451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38446052.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2345205451 is about 48427.3213279446. The cubic root of 2345205451 is about 1328.5981141335.

The spelling of 2345205451 in words is "two billion, three hundred forty-five million, two hundred five thousand, four hundred fifty-one".