1453243450 has 24 divisors (see below), whose sum is σ = 2776091292. Its totient is φ = 565585920.

The previous prime is 1453243439. The next prime is 1453243489. The reversal of 1453243450 is 543423541.

It can be written as a sum of positive squares in 6 ways, for example, as 1127549241 + 325694209 = 33579^2 + 18047^2 .

It is a super-2 number, since 2×1453243450² = 4223833049935805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390919 + ... + 394618.

Almost surely, 2^1453243450 is an apocalyptic number.

1453243450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1453243450 is a deficient number, since it is larger than the sum of its proper divisors (1322847842).

1453243450 is a wasteful number, since it uses less digits than its factorization.

1453243450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785586 (or 785581 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1453243450 is about 38121.4303246875. The cubic root of 1453243450 is about 1132.6944991602.

Adding to 1453243450 its reverse (543423541), we get a palindrome (1996666991).

The spelling of 1453243450 in words is "one billion, four hundred fifty-three million, two hundred forty-three thousand, four hundred fifty".