1452004945 has 4 divisors (see below), whose sum is σ = 1742405940. Its totient is φ = 1161603952.

The previous prime is 1452004943. The next prime is 1452004963. The reversal of 1452004945 is 5494002541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5494002541 = 1583 ⋅3470627.

It can be written as a sum of positive squares in 2 ways, for example, as 1129766544 + 322238401 = 33612^2 + 17951^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452004945 - 2¹ = 1452004943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1452004945.

It is not an unprimeable number, because it can be changed into a prime (1452004943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145200490 + ... + 145200499.

It is an arithmetic number, because the mean of its divisors is an integer number (435601485).

Almost surely, 2^1452004945 is an apocalyptic number.

It is an amenable number.

1452004945 is a deficient number, since it is larger than the sum of its proper divisors (290400995).

1452004945 is an equidigital number, since it uses as much as digits as its factorization.

1452004945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290400994.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1452004945 is about 38105.1826527574. The cubic root of 1452004945 is about 1132.3726337246.

The spelling of 1452004945 in words is "one billion, four hundred fifty-two million, four thousand, nine hundred forty-five".