1542454425403 has 4 divisors (see below), whose sum is σ = 1633187038680. Its totient is φ = 1451721812128.

The previous prime is 1542454425383. The next prime is 1542454425409. The reversal of 1542454425403 is 3045244542451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1542454425403 - 2⁵ = 1542454425371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542454425403.

It is not an unprimeable number, because it can be changed into a prime (1542454425409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45366306613 + ... + 45366306646.

It is an arithmetic number, because the mean of its divisors is an integer number (408296759670).

Almost surely, 2^{1542454425403} is an apocalyptic number.

1542454425403 is a deficient number, since it is larger than the sum of its proper divisors (90732613277).

1542454425403 is an equidigital number, since it uses as much as digits as its factorization.

1542454425403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90732613276.

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 1542454425403 its reverse (3045244542451), we get a palindrome (4587698967854).

The spelling of 1542454425403 in words is "one trillion, five hundred forty-two billion, four hundred fifty-four million, four hundred twenty-five thousand, four hundred three".