150194081 has 4 divisors (see below), whose sum is σ = 151597872. Its totient is φ = 148790292.

The previous prime is 150194047. The next prime is 150194123. The reversal of 150194081 is 180491051.

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 150194081 - 2¹⁴ = 150177697 is a prime.

It is a super-2 number, since 2×150194081² = 45116523934869122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150194021) 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, 701735 + ... + 701948.

It is an arithmetic number, because the mean of its divisors is an integer number (37899468).

Almost surely, 2^150194081 is an apocalyptic number.

It is an amenable number.

150194081 is a deficient number, since it is larger than the sum of its proper divisors (1403791).

150194081 is a wasteful number, since it uses less digits than its factorization.

150194081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403790.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 150194081 is about 12255.3694762745. The cubic root of 150194081 is about 531.5583434262.

The spelling of 150194081 in words is "one hundred fifty million, one hundred ninety-four thousand, eighty-one".