150661401 has 8 divisors (see below), whose sum is σ = 219143904. Its totient is φ = 91309920.

The previous prime is 150661387. The next prime is 150661403. The reversal of 150661401 is 104166051.

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

It is not a de Polignac number, because 150661401 - 2⁵ = 150661369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150661403) 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, 2282716 + ... + 2282781.

It is an arithmetic number, because the mean of its divisors is an integer number (27392988).

Almost surely, 2^150661401 is an apocalyptic number.

150661401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150661401 is a deficient number, since it is larger than the sum of its proper divisors (68482503).

150661401 is a wasteful number, since it uses less digits than its factorization.

150661401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565511.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 150661401 is about 12274.4205973235. The cubic root of 150661401 is about 532.1090767449.

The spelling of 150661401 in words is "one hundred fifty million, six hundred sixty-one thousand, four hundred one".