151418 has 4 divisors (see below), whose sum is σ = 227130. Its totient is φ = 75708.

The previous prime is 151397. The next prime is 151423. The reversal of 151418 is 814151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814151 = 13 ⋅62627.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 47089 = 323^2 + 217^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151418.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37853 + ... + 37856.

2¹⁵¹⁴¹⁸ is an apocalyptic number.

151418 is a deficient number, since it is larger than the sum of its proper divisors (75712).

151418 is an equidigital number, since it uses as much as digits as its factorization.

151418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75711.

The product of its digits is 160, while the sum is 20.

The square root of 151418 is about 389.1246586892. The cubic root of 151418 is about 53.2998313903.

Adding to 151418 its reverse (814151), we get a palindrome (965569).

The spelling of 151418 in words is "one hundred fifty-one thousand, four hundred eighteen".