150600421 has 4 divisors (see below), whose sum is σ = 154273644. Its totient is φ = 146927200.

The previous prime is 150600413. The next prime is 150600487. The reversal of 150600421 is 124006051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78588225 + 72012196 = 8865^2 + 8486^2 .

It is a cyclic number.

It is not a de Polignac number, because 150600421 - 2³ = 150600413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150600221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836550 + ... + 1836631.

It is an arithmetic number, because the mean of its divisors is an integer number (38568411).

Almost surely, 2^150600421 is an apocalyptic number.

It is an amenable number.

150600421 is a deficient number, since it is larger than the sum of its proper divisors (3673223).

150600421 is an equidigital number, since it uses as much as digits as its factorization.

150600421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673222.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 150600421 is about 12271.9363182833. The cubic root of 150600421 is about 532.0372769120.

Adding to 150600421 its reverse (124006051), we get a palindrome (274606472).

The spelling of 150600421 in words is "one hundred fifty million, six hundred thousand, four hundred twenty-one".