150191357 has 4 divisors (see below), whose sum is σ = 156721440. Its totient is φ = 143661276.

The previous prime is 150191309. The next prime is 150191383. The reversal of 150191357 is 753191051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150191357 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 (150191557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265007 + ... + 3265052.

It is an arithmetic number, because the mean of its divisors is an integer number (39180360).

Almost surely, 2^150191357 is an apocalyptic number.

It is an amenable number.

150191357 is a deficient number, since it is larger than the sum of its proper divisors (6530083).

150191357 is an equidigital number, since it uses as much as digits as its factorization.

150191357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530082.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 150191357 is about 12255.2583408103. The cubic root of 150191357 is about 531.5551298648. Note that the first 3 decimals are identical.

The spelling of 150191357 in words is "one hundred fifty million, one hundred ninety-one thousand, three hundred fifty-seven".