1542055154 has 8 divisors (see below), whose sum is σ = 2318739420. Its totient is φ = 769142016.

The previous prime is 1542055153. The next prime is 1542055157. The reversal of 1542055154 is 4515502451.

It can be written as a sum of positive squares in 2 ways, for example, as 1540170025 + 1885129 = 39245^2 + 1373^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1542055154.

It is not an unprimeable number, because it can be changed into a prime (1542055153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941759 + ... + 943394.

Almost surely, 2^1542055154 is an apocalyptic number.

1542055154 is a deficient number, since it is larger than the sum of its proper divisors (776684266).

1542055154 is a wasteful number, since it uses less digits than its factorization.

1542055154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885564.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 1542055154 is about 39269.0100970218. The cubic root of 1542055154 is about 1155.3138216355.

The spelling of 1542055154 in words is "one billion, five hundred forty-two million, fifty-five thousand, one hundred fifty-four".