150640385 has 8 divisors (see below), whose sum is σ = 206592576. Its totient is φ = 103296240.

The previous prime is 150640381. The next prime is 150640387. The reversal of 150640385 is 583046051.

It is a happy number.

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

It is not a de Polignac number, because 150640385 - 2² = 150640381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150640381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151971 + ... + 2152040.

It is an arithmetic number, because the mean of its divisors is an integer number (25824072).

Almost surely, 2^150640385 is an apocalyptic number.

It is an amenable number.

150640385 is a deficient number, since it is larger than the sum of its proper divisors (55952191).

150640385 is an equidigital number, since it uses as much as digits as its factorization.

150640385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304023.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 150640385 is about 12273.5644781783. The cubic root of 150640385 is about 532.0843340121.

The spelling of 150640385 in words is "one hundred fifty million, six hundred forty thousand, three hundred eighty-five".