1545546142 has 24 divisors (see below), whose sum is σ = 2741041080. Its totient is φ = 651515760.

The previous prime is 1545546139. The next prime is 1545546161. The reversal of 1545546142 is 2416455451.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 123292 + ... + 135247.

It is an arithmetic number, because the mean of its divisors is an integer number (114210045).

Almost surely, 2^1545546142 is an apocalyptic number.

1545546142 is a deficient number, since it is larger than the sum of its proper divisors (1195494938).

1545546142 is a wasteful number, since it uses less digits than its factorization.

1545546142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258616 (or 258609 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 1545546142 is about 39313.4346248201. The cubic root of 1545546142 is about 1156.1849852433.

The spelling of 1545546142 in words is "one billion, five hundred forty-five million, five hundred forty-six thousand, one hundred forty-two".