1002153544 has 16 divisors (see below), whose sum is σ = 2147472000. Its totient is φ = 429494352.

The previous prime is 1002153541. The next prime is 1002153557. The reversal of 1002153544 is 4453512001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1002153541) 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, 8947744 + ... + 8947855.

It is an arithmetic number, because the mean of its divisors is an integer number (134217000).

Almost surely, 2^1002153544 is an apocalyptic number.

1002153544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1002153544 is an abundant number, since it is smaller than the sum of its proper divisors (1145318456).

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

1002153544 is a wasteful number, since it uses less digits than its factorization.

1002153544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17895612 (or 17895608 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1002153544 is about 31656.8088094805. The cubic root of 1002153544 is about 1000.7173333099.

Adding to 1002153544 its reverse (4453512001), we get a palindrome (5455665545).

The spelling of 1002153544 in words is "one billion, two million, one hundred fifty-three thousand, five hundred forty-four".