1453251616 has 12 divisors (see below), whose sum is σ = 2861089182. Its totient is φ = 726625792.

The previous prime is 1453251587. The next prime is 1453251649. The reversal of 1453251616 is 6161523541.

It can be written as a sum of positive squares in only one way, i.e., 1183635216 + 269616400 = 34404^2 + 16420^2 .

It is a super-2 number, since 2×1453251616² = 4223880518813222912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707025 + ... + 22707088.

Almost surely, 2^1453251616 is an apocalyptic number.

1453251616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1453251616 is a deficient number, since it is larger than the sum of its proper divisors (1407837566).

1453251616 is an equidigital number, since it uses as much as digits as its factorization.

1453251616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45414123 (or 45414115 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 1453251616 is about 38121.5374296473. The cubic root of 1453251616 is about 1132.6966207515.

The spelling of 1453251616 in words is "one billion, four hundred fifty-three million, two hundred fifty-one thousand, six hundred sixteen".