150145521 has 8 divisors (see below), whose sum is σ = 200470080. Its totient is φ = 99958992.

The previous prime is 150145507. The next prime is 150145529. The reversal of 150145521 is 125541051.

150145521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 150145521 - 2¹³ = 150137329 is a prime.

It is a super-2 number, since 2×150145521² = 45087354952722882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150145491 and 150145500.

It is not an unprimeable number, because it can be changed into a prime (150145529) 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, 31941 + ... + 36338.

It is an arithmetic number, because the mean of its divisors is an integer number (25058760).

Almost surely, 2^150145521 is an apocalyptic number.

It is an amenable number.

150145521 is a deficient number, since it is larger than the sum of its proper divisors (50324559).

150145521 is an equidigital number, since it uses as much as digits as its factorization.

150145521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69015.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 150145521 is about 12253.3881436932. The cubic root of 150145521 is about 531.5010503217.

Adding to 150145521 its reverse (125541051), we get a palindrome (275686572).

The spelling of 150145521 in words is "one hundred fifty million, one hundred forty-five thousand, five hundred twenty-one".