150531145 has 8 divisors (see below), whose sum is σ = 181834560. Its totient is φ = 119626800.

The previous prime is 150531119. The next prime is 150531149. The reversal of 150531145 is 541135051.

It is a happy number.

150531145 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 150531145 - 2¹⁷ = 150400073 is a prime.

It is a super-2 number, since 2×150531145² = 45319251230022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150531149) 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, 98935 + ... + 100444.

It is an arithmetic number, because the mean of its divisors is an integer number (22729320).

Almost surely, 2^150531145 is an apocalyptic number.

It is an amenable number.

150531145 is a deficient number, since it is larger than the sum of its proper divisors (31303415).

150531145 is a wasteful number, since it uses less digits than its factorization.

150531145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199535.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 150531145 is about 12269.1134561548. The cubic root of 150531145 is about 531.9556855790.

Adding to 150531145 its reverse (541135051), we get a palindrome (691666196).

The spelling of 150531145 in words is "one hundred fifty million, five hundred thirty-one thousand, one hundred forty-five".