150418 has 4 divisors (see below), whose sum is σ = 225630. Its totient is φ = 75208.

The previous prime is 150413. The next prime is 150427. The reversal of 150418 is 814051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814051 = 7 ⋅116293.

It can be written as a sum of positive squares in only one way, i.e., 94249 + 56169 = 307^2 + 237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150395 and 150404.

It is not an unprimeable number, because it can be changed into a prime (150413) by changing a digit.

150418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37603 + ... + 37606.

2¹⁵⁰⁴¹⁸ is an apocalyptic number.

150418 is a deficient number, since it is larger than the sum of its proper divisors (75212).

150418 is an equidigital number, since it uses as much as digits as its factorization.

150418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75211.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 150418 is about 387.8375948770. The cubic root of 150418 is about 53.1822372719.

Adding to 150418 its reverse (814051), we get a palindrome (964469).

It can be divided in two parts, 1504 and 18, that multiplied together give a palindrome (27072).

The spelling of 150418 in words is "one hundred fifty thousand, four hundred eighteen".