150420381 has 8 divisors (see below), whose sum is σ = 200765664. Its totient is φ = 100177680.

The previous prime is 150420377. The next prime is 150420421. The reversal of 150420381 is 183024051.

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

It is not a de Polignac number, because 150420381 - 2² = 150420377 is a prime.

It is a super-2 number, since 2×150420381² = 45252582040370322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150420481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22155 + ... + 28136.

It is an arithmetic number, because the mean of its divisors is an integer number (25095708).

Almost surely, 2^150420381 is an apocalyptic number.

It is an amenable number.

150420381 is a deficient number, since it is larger than the sum of its proper divisors (50345283).

150420381 is an equidigital number, since it uses as much as digits as its factorization.

150420381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51291.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 150420381 is about 12264.5986889095. The cubic root of 150420381 is about 531.8251788160.

The spelling of 150420381 in words is "one hundred fifty million, four hundred twenty thousand, three hundred eighty-one".