150851621 has 8 divisors (see below), whose sum is σ = 161788320. Its totient is φ = 140214672.

The previous prime is 150851599. The next prime is 150851629. The reversal of 150851621 is 126158051.

150851621 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150851621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150851629) 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, 73895 + ... + 75908.

It is an arithmetic number, because the mean of its divisors is an integer number (20223540).

Almost surely, 2^150851621 is an apocalyptic number.

It is an amenable number.

150851621 is a deficient number, since it is larger than the sum of its proper divisors (10936699).

150851621 is a wasteful number, since it uses less digits than its factorization.

150851621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149875.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 150851621 is about 12282.1667876641. The cubic root of 150851621 is about 532.3329235512.

The spelling of 150851621 in words is "one hundred fifty million, eight hundred fifty-one thousand, six hundred twenty-one".