1542043054 has 4 divisors (see below), whose sum is σ = 2313064584. Its totient is φ = 771021526.

The previous prime is 1542043039. The next prime is 1542043067. The reversal of 1542043054 is 4503402451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4503402451 = 397 ⋅11343583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385510762 + ... + 385510765.

It is an arithmetic number, because the mean of its divisors is an integer number (578266146).

Almost surely, 2^1542043054 is an apocalyptic number.

1542043054 is a deficient number, since it is larger than the sum of its proper divisors (771021530).

1542043054 is an equidigital number, since it uses as much as digits as its factorization.

1542043054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771021529.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1542043054 is about 39268.8560312113. The cubic root of 1542043054 is about 1155.3107998383.

The spelling of 1542043054 in words is "one billion, five hundred forty-two million, forty-three thousand, fifty-four".