1452645823 has 8 divisors (see below), whose sum is σ = 1487090000. Its totient is φ = 1418231808.

The previous prime is 1452645811. The next prime is 1452645853. The reversal of 1452645823 is 3285462541.

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 1452645823 - 2²⁵ = 1419091391 is a prime.

It is a super-2 number, since 2×1452645823² = 4220359774158694658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452645853) 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, 112063 + ... + 124351.

It is an arithmetic number, because the mean of its divisors is an integer number (185886250).

Almost surely, 2^1452645823 is an apocalyptic number.

1452645823 is a deficient number, since it is larger than the sum of its proper divisors (34444177).

1452645823 is a wasteful number, since it uses less digits than its factorization.

1452645823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15081.

The product of its digits is 230400, while the sum is 40.

The square root of 1452645823 is about 38113.5910535861. The cubic root of 1452645823 is about 1132.5392093659.

The spelling of 1452645823 in words is "one billion, four hundred fifty-two million, six hundred forty-five thousand, eight hundred twenty-three".