150743993 has 8 divisors (see below), whose sum is σ = 156478080. Its totient is φ = 145115280.

The previous prime is 150743987. The next prime is 150744023. The reversal of 150743993 is 399347051.

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 150743993 - 2⁸ = 150743737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150743993.

It is not an unprimeable number, because it can be changed into a prime (150743933) 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, 23423 + ... + 29156.

It is an arithmetic number, because the mean of its divisors is an integer number (19559760).

Almost surely, 2^150743993 is an apocalyptic number.

It is an amenable number.

150743993 is a deficient number, since it is larger than the sum of its proper divisors (5734087).

150743993 is an equidigital number, since it uses as much as digits as its factorization.

150743993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52687.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 150743993 is about 12277.7845314210. The cubic root of 150743993 is about 532.2062923651.

The spelling of 150743993 in words is "one hundred fifty million, seven hundred forty-three thousand, nine hundred ninety-three".