150521146 has 8 divisors (see below), whose sum is σ = 225833940. Its totient is φ = 75243168.

The previous prime is 150521117. The next prime is 150521153. The reversal of 150521146 is 641125051.

It is a happy number.

150521146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138886225 + 11634921 = 11785^2 + 3411^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 150521146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11320 + ... + 20716.

Almost surely, 2^150521146 is an apocalyptic number.

150521146 is a deficient number, since it is larger than the sum of its proper divisors (75312794).

150521146 is an equidigital number, since it uses as much as digits as its factorization.

150521146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17408.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 150521146 is about 12268.7059627330. The cubic root of 150521146 is about 531.9439069696.

Adding to 150521146 its reverse (641125051), we get a palindrome (791646197).

The spelling of 150521146 in words is "one hundred fifty million, five hundred twenty-one thousand, one hundred forty-six".