151630 has 16 divisors (see below), whose sum is σ = 278640. Its totient is φ = 59392.

The previous prime is 151609. The next prime is 151631. The reversal of 151630 is 36151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151631) by changing a digit.

151630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 462 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (17415).

2¹⁵¹⁶³⁰ is an apocalyptic number.

151630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151630 is a deficient number, since it is larger than the sum of its proper divisors (127010).

151630 is a wasteful number, since it uses less digits than its factorization.

151630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 151630 is about 389.3969696852. The cubic root of 151630 is about 53.3246947814.

Adding to 151630 its reverse (36151), we get a palindrome (187781).

The spelling of 151630 in words is "one hundred fifty-one thousand, six hundred thirty".