1800748157 has 16 divisors (see below), whose sum is σ = 1953090048. Its totient is φ = 1650430080.

The previous prime is 1800748133. The next prime is 1800748219. The reversal of 1800748157 is 7518470081.

It is not a de Polignac number, because 1800748157 - 2²⁶ = 1733639293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800748657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264748 + ... + 1266170.

It is an arithmetic number, because the mean of its divisors is an integer number (122068128).

Almost surely, 2^1800748157 is an apocalyptic number.

It is an amenable number.

1800748157 is a deficient number, since it is larger than the sum of its proper divisors (152341891).

1800748157 is a wasteful number, since it uses less digits than its factorization.

1800748157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 1800748157 is about 42435.2230699922. The cubic root of 1800748157 is about 1216.6089106588.

The spelling of 1800748157 in words is "one billion, eight hundred million, seven hundred forty-eight thousand, one hundred fifty-seven".