150720193 has 8 divisors (see below), whose sum is σ = 162545768. Its totient is φ = 138927744.

The previous prime is 150720151. The next prime is 150720239. The reversal of 150720193 is 391027051.

It can be written as a sum of positive squares in 4 ways, for example, as 68690944 + 82029249 = 8288^2 + 9057^2 .

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 150720193 - 2¹⁷ = 150589121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150720893) 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, 1621 + ... + 17437.

It is an arithmetic number, because the mean of its divisors is an integer number (20318221).

Almost surely, 2^150720193 is an apocalyptic number.

150720193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

150720193 is a deficient number, since it is larger than the sum of its proper divisors (11825575).

150720193 is a wasteful number, since it uses less digits than its factorization.

150720193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 150720193 is about 12276.8152629255. The cubic root of 150720193 is about 532.1782820141.

The spelling of 150720193 in words is "one hundred fifty million, seven hundred twenty thousand, one hundred ninety-three".