150661501 has 8 divisors (see below), whose sum is σ = 151588800. Its totient is φ = 149737728.

The previous prime is 150661481. The next prime is 150661513. The reversal of 150661501 is 105166051.

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

It is a cyclic number.

It is not a de Polignac number, because 150661501 - 2¹³ = 150653309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150661571) 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, 155320 + ... + 156286.

It is an arithmetic number, because the mean of its divisors is an integer number (18948600).

Almost surely, 2^150661501 is an apocalyptic number.

It is an amenable number.

150661501 is a deficient number, since it is larger than the sum of its proper divisors (927299).

150661501 is an equidigital number, since it uses as much as digits as its factorization.

150661501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 150661501 is about 12274.4246708349. The cubic root of 150661501 is about 532.1091944722.

The spelling of 150661501 in words is "one hundred fifty million, six hundred sixty-one thousand, five hundred one".