150690433 has 4 divisors (see below), whose sum is σ = 150805828. Its totient is φ = 150575040.

The previous prime is 150690427. The next prime is 150690443. The reversal of 150690433 is 334096051.

150690433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94245264 + 56445169 = 9708^2 + 7513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150690433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150690395 and 150690404.

It is not an unprimeable number, because it can be changed into a prime (150690443) 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, 55716 + ... + 58357.

It is an arithmetic number, because the mean of its divisors is an integer number (37701457).

Almost surely, 2^150690433 is an apocalyptic number.

It is an amenable number.

150690433 is a deficient number, since it is larger than the sum of its proper divisors (115395).

150690433 is a wasteful number, since it uses less digits than its factorization.

150690433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115394.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 150690433 is about 12275.6031623705. The cubic root of 150690433 is about 532.1432531573.

The spelling of 150690433 in words is "one hundred fifty million, six hundred ninety thousand, four hundred thirty-three".