1002145434 has 16 divisors (see below), whose sum is σ = 2004729888. Its totient is φ = 333975312.

The previous prime is 1002145433. The next prime is 1002145439. The reversal of 1002145434 is 4345412001.

It is not an unprimeable number, because it can be changed into a prime (1002145433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16464 + ... + 47700.

It is an arithmetic number, because the mean of its divisors is an integer number (125295618).

Almost surely, 2^1002145434 is an apocalyptic number.

1002145434 is an abundant number, since it is smaller than the sum of its proper divisors (1002584454).

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

1002145434 is a wasteful number, since it uses less digits than its factorization.

1002145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36589.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1002145434 is about 31656.6807167144. The cubic root of 1002145434 is about 1000.7146338435.

Adding to 1002145434 its reverse (4345412001), we get a palindrome (5347557435).

It can be divided in two parts, 10021 and 45434, that added together give a palindrome (55455).

The spelling of 1002145434 in words is "one billion, two million, one hundred forty-five thousand, four hundred thirty-four".