1542020208943 has 8 divisors (see below), whose sum is σ = 1554274275840. Its totient is φ = 1529767895040.

The previous prime is 1542020208941. The next prime is 1542020208961. The reversal of 1542020208943 is 3498020202451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1542020208943 - 2¹ = 1542020208941 is a prime.

It is a super-2 number, since 2×1542020208943² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1542020208896 and 1542020208905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542020208941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357143 + ... + 2219431.

It is an arithmetic number, because the mean of its divisors is an integer number (194284284480).

Almost surely, 2^{1542020208943} is an apocalyptic number.

1542020208943 is a deficient number, since it is larger than the sum of its proper divisors (12254066897).

1542020208943 is a wasteful number, since it uses less digits than its factorization.

1542020208943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876497.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1542020208943 in words is "one trillion, five hundred forty-two billion, twenty million, two hundred eight thousand, nine hundred forty-three".