1542005544454 has 16 divisors (see below), whose sum is σ = 2315369903616. Its totient is φ = 770215840200.

The previous prime is 1542005544433. The next prime is 1542005544461. The reversal of 1542005544454 is 4544455002451.

It is a self number, because there is not a number n which added to its sum of digits gives 1542005544454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12215199 + ... + 12340789.

It is an arithmetic number, because the mean of its divisors is an integer number (144710618976).

Almost surely, 2^{1542005544454} is an apocalyptic number.

1542005544454 is a deficient number, since it is larger than the sum of its proper divisors (773364359162).

1542005544454 is a wasteful number, since it uses less digits than its factorization.

1542005544454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131811.

The product of its (nonzero) digits is 1280000, while the sum is 43.

The spelling of 1542005544454 in words is "one trillion, five hundred forty-two billion, five million, five hundred forty-four thousand, four hundred fifty-four".