1020162345 has 32 divisors (see below), whose sum is σ = 1722470400. Its totient is φ = 514160064.

The previous prime is 1020162331. The next prime is 1020162347. The reversal of 1020162345 is 5432610201.

It is not a de Polignac number, because 1020162345 - 2⁶ = 1020162281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020162347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115144 + ... + 123686.

It is an arithmetic number, because the mean of its divisors is an integer number (53827200).

Almost surely, 2^1020162345 is an apocalyptic number.

1020162345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020162345 is a deficient number, since it is larger than the sum of its proper divisors (702308055).

1020162345 is a wasteful number, since it uses less digits than its factorization.

1020162345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1020162345 is about 31939.9803537823. The cubic root of 1020162345 is about 1006.6761120093.

Adding to 1020162345 its reverse (5432610201), we get a palindrome (6452772546).

The spelling of 1020162345 in words is "one billion, twenty million, one hundred sixty-two thousand, three hundred forty-five".