1849154145 has 8 divisors (see below), whose sum is σ = 2958646656. Its totient is φ = 986215536.

The previous prime is 1849154117. The next prime is 1849154147. The reversal of 1849154145 is 5414519481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1849154145 - 2⁷ = 1849154017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1849154097 and 1849154106.

It is not an unprimeable number, because it can be changed into a prime (1849154147) 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, 61638457 + ... + 61638486.

It is an arithmetic number, because the mean of its divisors is an integer number (369830832).

Almost surely, 2^1849154145 is an apocalyptic number.

1849154145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1849154145 is a deficient number, since it is larger than the sum of its proper divisors (1109492511).

1849154145 is a wasteful number, since it uses less digits than its factorization.

1849154145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123276951.

The product of its digits is 115200, while the sum is 42.

The square root of 1849154145 is about 43001.7923463662. The cubic root of 1849154145 is about 1227.4139035326.

The spelling of 1849154145 in words is "one billion, eight hundred forty-nine million, one hundred fifty-four thousand, one hundred forty-five".