1452148478 has 16 divisors (see below), whose sum is σ = 2376846720. Its totient is φ = 659899800.

The previous prime is 1452148471. The next prime is 1452148507. The reversal of 1452148478 is 8748412541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452148471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133613 + ... + 144071.

It is an arithmetic number, because the mean of its divisors is an integer number (148552920).

Almost surely, 2^1452148478 is an apocalyptic number.

1452148478 is a deficient number, since it is larger than the sum of its proper divisors (924698242).

1452148478 is a wasteful number, since it uses less digits than its factorization.

1452148478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783.

The product of its digits is 286720, while the sum is 44.

The square root of 1452148478 is about 38107.0659851949. The cubic root of 1452148478 is about 1132.4099447743.

The spelling of 1452148478 in words is "one billion, four hundred fifty-two million, one hundred forty-eight thousand, four hundred seventy-eight".