151838 has 12 divisors (see below), whose sum is σ = 238320. Its totient is φ = 72540.

The previous prime is 151817. The next prime is 151841. The reversal of 151838 is 838151.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1883 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (19860).

2¹⁵¹⁸³⁸ is an apocalyptic number.

151838 is a deficient number, since it is larger than the sum of its proper divisors (86482).

151838 is an equidigital number, since it uses as much as digits as its factorization.

151838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 112 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

The square root of 151838 is about 389.6639577893. The cubic root of 151838 is about 53.3490665388.

Adding to 151838 its reverse (838151), we get a palindrome (989989).

It can be divided in two parts, 151 and 838, that added together give a palindrome (989).

The spelling of 151838 in words is "one hundred fifty-one thousand, eight hundred thirty-eight".