151730 has 8 divisors (see below), whose sum is σ = 273132. Its totient is φ = 60688.

The previous prime is 151729. The next prime is 151733. The reversal of 151730 is 37151.

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 5041 = 383^2 + 71^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 151699 and 151708.

It is not an unprimeable number, because it can be changed into a prime (151733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7577 + ... + 7596.

2¹⁵¹⁷³⁰ is an apocalyptic number.

151730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151730 is a deficient number, since it is larger than the sum of its proper divisors (121402).

151730 is a wasteful number, since it uses less digits than its factorization.

151730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 151730 is about 389.5253521916. The cubic root of 151730 is about 53.3364147525.

Adding to 151730 its reverse (37151), we get a palindrome (188881).

The spelling of 151730 in words is "one hundred fifty-one thousand, seven hundred thirty".