1099145235 has 16 divisors (see below), whose sum is σ = 1762225920. Its totient is φ = 585012960.

The previous prime is 1099145213. The next prime is 1099145263. The reversal of 1099145235 is 5325419901.

It is not a de Polignac number, because 1099145235 - 2⁶ = 1099145171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1099145193 and 1099145202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67255 + ... + 81984.

It is an arithmetic number, because the mean of its divisors is an integer number (110139120).

Almost surely, 2^1099145235 is an apocalyptic number.

1099145235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1099145235 is a deficient number, since it is larger than the sum of its proper divisors (663080685).

1099145235 is a wasteful number, since it uses less digits than its factorization.

1099145235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149738.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 1099145235 is about 33153.3593320496. The cubic root of 1099145235 is about 1032.0126652868.

The spelling of 1099145235 in words is "one billion, ninety-nine million, one hundred forty-five thousand, two hundred thirty-five".