1005542154 has 32 divisors (see below), whose sum is σ = 2235600000. Its totient is φ = 335021472.

The previous prime is 1005542147. The next prime is 1005542171. The reversal of 1005542154 is 4512455001.

1005542154 is a `hidden beast` number, since 100 + 5 + 542 + 15 + 4 = 666.

It is a super-2 number, since 2×1005542154² = 2022230046941919432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 183547 + ... + 188945.

It is an arithmetic number, because the mean of its divisors is an integer number (69862500).

Almost surely, 2^1005542154 is an apocalyptic number.

1005542154 is an abundant number, since it is smaller than the sum of its proper divisors (1230057846).

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

1005542154 is a wasteful number, since it uses less digits than its factorization.

1005542154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859 (or 8853 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1005542154 is about 31710.2846723267. The cubic root of 1005542154 is about 1001.8439823059.

Adding to 1005542154 its reverse (4512455001), we get a palindrome (5517997155).

The spelling of 1005542154 in words is "one billion, five million, five hundred forty-two thousand, one hundred fifty-four".