1542480406845 has 64 divisors (see below), whose sum is σ = 2948184207360. Its totient is φ = 673326263808.

The previous prime is 1542480406823. The next prime is 1542480406847. The reversal of 1542480406845 is 5486040842451.

It is not a de Polignac number, because 1542480406845 - 2⁵ = 1542480406813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542480406847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 873561 + ... + 1961649.

It is an arithmetic number, because the mean of its divisors is an integer number (46065378240).

Almost surely, 2^{1542480406845} is an apocalyptic number.

1542480406845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1542480406845 is a deficient number, since it is larger than the sum of its proper divisors (1405703800515).

1542480406845 is a wasteful number, since it uses less digits than its factorization.

1542480406845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088714.

The product of its (nonzero) digits is 4915200, while the sum is 51.

It can be divided in two parts, 1542480 and 406845, that added together give a triangular number (1949325 = T₁₉₇₄).

The spelling of 1542480406845 in words is "one trillion, five hundred forty-two billion, four hundred eighty million, four hundred six thousand, eight hundred forty-five".