151320433 has 4 divisors (see below), whose sum is σ = 165076848. Its totient is φ = 137564020.

The previous prime is 151320431. The next prime is 151320457. The reversal of 151320433 is 334023151.

151320433 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 151320433 - 2¹ = 151320431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151320431) 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, 6878191 + ... + 6878212.

It is an arithmetic number, because the mean of its divisors is an integer number (41269212).

Almost surely, 2^151320433 is an apocalyptic number.

It is an amenable number.

151320433 is a deficient number, since it is larger than the sum of its proper divisors (13756415).

151320433 is a wasteful number, since it uses less digits than its factorization.

151320433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756414.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 151320433 is about 12301.2370516140. The cubic root of 151320433 is about 532.8838091990.

Adding to 151320433 its reverse (334023151), we get a palindrome (485343584).

The spelling of 151320433 in words is "one hundred fifty-one million, three hundred twenty thousand, four hundred thirty-three".