1545343542 has 32 divisors (see below), whose sum is σ = 3482472960. Its totient is φ = 507858120.

The previous prime is 1545343529. The next prime is 1545343559. The reversal of 1545343542 is 2453435451.

1545343542 is a `hidden beast` number, since 1 + 54 + 534 + 35 + 42 = 666.

It is a super-2 number, since 2×1545343542² = 4776173325602211528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1545343497 and 1545343506.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 197698 + ... + 205365.

It is an arithmetic number, because the mean of its divisors is an integer number (108827280).

Almost surely, 2^1545343542 is an apocalyptic number.

1545343542 is an abundant number, since it is smaller than the sum of its proper divisors (1937129418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545343542 is a wasteful number, since it uses less digits than its factorization.

1545343542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403145 (or 403139 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 1545343542 is about 39310.8578130775. The cubic root of 1545343542 is about 1156.1344630131.

Adding to 1545343542 its reverse (2453435451), we get a palindrome (3998778993).

The spelling of 1545343542 in words is "one billion, five hundred forty-five million, three hundred forty-three thousand, five hundred forty-two".