1542742024 has 16 divisors (see below), whose sum is σ = 2893748220. Its totient is φ = 771075840.

The previous prime is 1542742009. The next prime is 1542742039. The reversal of 1542742024 is 4202472451.

It is an interprime number because it is at equal distance from previous prime (1542742009) and next prime (1542742039).

It can be written as a sum of positive squares in 2 ways, for example, as 1182121924 + 360620100 = 34382^2 + 18990^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13837 + ... + 57244.

Almost surely, 2^1542742024 is an apocalyptic number.

It is an amenable number.

1542742024 is a deficient number, since it is larger than the sum of its proper divisors (1351006196).

1542742024 is a wasteful number, since it uses less digits than its factorization.

1542742024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73800 (or 73796 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 1542742024 is about 39277.7548238185. The cubic root of 1542742024 is about 1155.4853314135.

The spelling of 1542742024 in words is "one billion, five hundred forty-two million, seven hundred forty-two thousand, twenty-four".