150221564 has 6 divisors (see below), whose sum is σ = 262887744. Its totient is φ = 75110780.

The previous prime is 150221551. The next prime is 150221573. The reversal of 150221564 is 465122051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18777692 + ... + 18777699.

It is an arithmetic number, because the mean of its divisors is an integer number (43814624).

Almost surely, 2^150221564 is an apocalyptic number.

It is an amenable number.

150221564 is a deficient number, since it is larger than the sum of its proper divisors (112666180).

150221564 is a wasteful number, since it uses less digits than its factorization.

150221564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37555395 (or 37555393 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 150221564 is about 12256.4906886107. The cubic root of 150221564 is about 531.5907635386.

The spelling of 150221564 in words is "one hundred fifty million, two hundred twenty-one thousand, five hundred sixty-four".