150431420 has 24 divisors (see below), whose sum is σ = 319038048. Its totient is φ = 59576000.

The previous prime is 150431389. The next prime is 150431471. The reversal of 150431420 is 24134051.

It is a super-2 number, since 2×150431420² = 45259224246432800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 150431392 and 150431401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35216 + ... + 39255.

It is an arithmetic number, because the mean of its divisors is an integer number (13293252).

Almost surely, 2^150431420 is an apocalyptic number.

150431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150431420 is an abundant number, since it is smaller than the sum of its proper divisors (168606628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150431420 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 150431420 = (344051102)₉.

150431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74581 (or 74579 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 150431420 is about 12265.0487157614. The cubic root of 150431420 is about 531.8381882998.

Adding to 150431420 its reverse (24134051), we get a palindrome (174565471).

The spelling of 150431420 in words is "one hundred fifty million, four hundred thirty-one thousand, four hundred twenty".