151803 has 12 divisors (see below), whose sum is σ = 222768. Its totient is φ = 99600.

The previous prime is 151799. The next prime is 151813. The reversal of 151803 is 308151.

It is a happy number.

It is not a de Polignac number, because 151803 - 2² = 151799 is a prime.

151803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (151813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826 + ... + 992.

It is an arithmetic number, because the mean of its divisors is an integer number (18564).

2¹⁵¹⁸⁰³ is an apocalyptic number.

151803 is a deficient number, since it is larger than the sum of its proper divisors (70965).

151803 is a wasteful number, since it uses less digits than its factorization.

151803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 151803 is about 389.6190447091. The cubic root of 151803 is about 53.3449670802.

Adding to 151803 its reverse (308151), we get a palindrome (459954).

The spelling of 151803 in words is "one hundred fifty-one thousand, eight hundred three".