1494728523 has 6 divisors (see below), whose sum is σ = 2159052324. Its totient is φ = 996485676.

The previous prime is 1494728503. The next prime is 1494728533. The reversal of 1494728523 is 3258274941.

1494728523 is a `hidden beast` number, since 14 + 94 + 7 + 28 + 523 = 666.

It is not a de Polignac number, because 1494728523 - 2¹⁴ = 1494712139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1494728503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83040465 + ... + 83040482.

It is an arithmetic number, because the mean of its divisors is an integer number (359842054).

Almost surely, 2^1494728523 is an apocalyptic number.

1494728523 is a deficient number, since it is larger than the sum of its proper divisors (664323801).

1494728523 is a wasteful number, since it uses less digits than its factorization.

1494728523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166080953 (or 166080950 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1494728523 is about 38661.7190900767. The cubic root of 1494728523 is about 1143.3717053329.

The spelling of 1494728523 in words is "one billion, four hundred ninety-four million, seven hundred twenty-eight thousand, five hundred twenty-three".