150692081 has 4 divisors (see below), whose sum is σ = 154196592. Its totient is φ = 147187572.

The previous prime is 150692071. The next prime is 150692089. The reversal of 150692081 is 180296051.

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 not a de Polignac number, because 150692081 - 2²⁶ = 83583217 is a prime.

It is a super-2 number, since 2×150692081² = 45416206552221122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150692089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752191 + ... + 1752276.

It is an arithmetic number, because the mean of its divisors is an integer number (38549148).

Almost surely, 2^150692081 is an apocalyptic number.

It is an amenable number.

150692081 is a deficient number, since it is larger than the sum of its proper divisors (3504511).

150692081 is an equidigital number, since it uses as much as digits as its factorization.

150692081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504510.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 150692081 is about 12275.6702871982. The cubic root of 150692081 is about 532.1451930480.

The spelling of 150692081 in words is "one hundred fifty million, six hundred ninety-two thousand, eighty-one".