1542469159 has 24 divisors (see below), whose sum is σ = 1984951584. Its totient is φ = 1172582400.

The previous prime is 1542469151. The next prime is 1542469169. The reversal of 1542469159 is 9519642451.

It is not a de Polignac number, because 1542469159 - 2³ = 1542469151 is a prime.

It is a super-2 number, since 2×1542469159² = 4758422212932334562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542469151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12519 + ... + 56935.

It is an arithmetic number, because the mean of its divisors is an integer number (82706316).

Almost surely, 2^1542469159 is an apocalyptic number.

1542469159 is a deficient number, since it is larger than the sum of its proper divisors (442482425).

1542469159 is a wasteful number, since it uses less digits than its factorization.

1542469159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44487 (or 44476 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 1542469159 is about 39274.2811391883. The cubic root of 1542469159 is about 1155.4172037788.

The spelling of 1542469159 in words is "one billion, five hundred forty-two million, four hundred sixty-nine thousand, one hundred fifty-nine".