150004561 has 16 divisors (see below), whose sum is σ = 174469504. Its totient is φ = 126313344.

The previous prime is 150004541. The next prime is 150004571. The reversal of 150004561 is 165400051.

It is a cyclic number.

It is not a de Polignac number, because 150004561 - 2¹¹ = 150002513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150004541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190210 + ... + 190996.

It is an arithmetic number, because the mean of its divisors is an integer number (10904344).

Almost surely, 2^150004561 is an apocalyptic number.

It is an amenable number.

150004561 is a deficient number, since it is larger than the sum of its proper divisors (24464943).

150004561 is an equidigital number, since it uses as much as digits as its factorization.

150004561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 150004561 is about 12247.6349145457. The cubic root of 150004561 is about 531.3346698542.

The spelling of 150004561 in words is "one hundred fifty million, four thousand, five hundred sixty-one".