1801305147 has 16 divisors (see below), whose sum is σ = 2423697408. Its totient is φ = 1189941120.

The previous prime is 1801305133. The next prime is 1801305167. The reversal of 1801305147 is 7415031081.

It is not a de Polignac number, because 1801305147 - 2¹⁴ = 1801288763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1801305167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144723 + ... + 156675.

It is an arithmetic number, because the mean of its divisors is an integer number (151481088).

Almost surely, 2^1801305147 is an apocalyptic number.

1801305147 is a deficient number, since it is larger than the sum of its proper divisors (622392261).

1801305147 is a wasteful number, since it uses less digits than its factorization.

1801305147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1801305147 is about 42441.7853889301. The cubic root of 1801305147 is about 1216.7343342944.

The spelling of 1801305147 in words is "one billion, eight hundred one million, three hundred five thousand, one hundred forty-seven".