151660433 has 4 divisors (see below), whose sum is σ = 151763508. Its totient is φ = 151557360.

The previous prime is 151660429. The next prime is 151660469. The reversal of 151660433 is 334066151.

It is a happy number.

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 102981904 + 48678529 = 10148^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 151660433 - 2² = 151660429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151660396 and 151660405.

It is not an unprimeable number, because it can be changed into a prime (151660423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49298 + ... + 52283.

It is an arithmetic number, because the mean of its divisors is an integer number (37940877).

Almost surely, 2^151660433 is an apocalyptic number.

It is an amenable number.

151660433 is a deficient number, since it is larger than the sum of its proper divisors (103075).

151660433 is a wasteful number, since it uses less digits than its factorization.

151660433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103074.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 151660433 is about 12315.0490457813. The cubic root of 151660433 is about 533.2826206555.

The spelling of 151660433 in words is "one hundred fifty-one million, six hundred sixty thousand, four hundred thirty-three".