1453355450 has 24 divisors (see below), whose sum is σ = 2705184000. Its totient is φ = 580924400.

The previous prime is 1453355443. The next prime is 1453355459. The reversal of 1453355450 is 545533541.

1453355450 = 4365² + 4366² + ... + 4439².

It is a super-2 number, since 2×1453355450² = 4224484128089405000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1453355450.

It is not an unprimeable number, because it can be changed into a prime (1453355459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65255 + ... + 84645.

It is an arithmetic number, because the mean of its divisors is an integer number (112716000).

Almost surely, 2^1453355450 is an apocalyptic number.

1453355450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1453355450 is a deficient number, since it is larger than the sum of its proper divisors (1251828550).

1453355450 is a wasteful number, since it uses less digits than its factorization.

1453355450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902 (or 20897 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 1453355450 is about 38122.8992863869. The cubic root of 1453355450 is about 1132.7235969517.

Adding to 1453355450 its reverse (545533541), we get a palindrome (1998888991).

The spelling of 1453355450 in words is "one billion, four hundred fifty-three million, three hundred fifty-five thousand, four hundred fifty".