1023540146 has 8 divisors (see below), whose sum is σ = 1616116080. Its totient is φ = 484834788.

The previous prime is 1023540143. The next prime is 1023540151. The reversal of 1023540146 is 6410453201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1023540143) 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 3 ways as a sum of consecutive naturals, for example, 13467596 + ... + 13467671.

It is an arithmetic number, because the mean of its divisors is an integer number (202014510).

Almost surely, 2^1023540146 is an apocalyptic number.

1023540146 is a deficient number, since it is larger than the sum of its proper divisors (592575934).

1023540146 is a wasteful number, since it uses less digits than its factorization.

1023540146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26935288.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1023540146 is about 31992.8139743912. The cubic root of 1023540146 is about 1007.7859371855.

Adding to 1023540146 its reverse (6410453201), we get a palindrome (7433993347).

The spelling of 1023540146 in words is "one billion, twenty-three million, five hundred forty thousand, one hundred forty-six".