1692272145 has 32 divisors (see below), whose sum is σ = 2927191680. Its totient is φ = 831928320.

The previous prime is 1692272137. The next prime is 1692272147. The reversal of 1692272145 is 5412722961.

It is not a de Polignac number, because 1692272145 - 2³ = 1692272137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1692272147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69696 + ... + 90785.

It is an arithmetic number, because the mean of its divisors is an integer number (91474740).

Almost surely, 2^1692272145 is an apocalyptic number.

1692272145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1692272145 is a deficient number, since it is larger than the sum of its proper divisors (1234919535).

1692272145 is a wasteful number, since it uses less digits than its factorization.

1692272145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160545.

The product of its digits is 60480, while the sum is 39.

The square root of 1692272145 is about 41137.2355050750. The cubic root of 1692272145 is about 1191.6720005847.

The spelling of 1692272145 in words is "one billion, six hundred ninety-two million, two hundred seventy-two thousand, one hundred forty-five".