151612433 has 4 divisors (see below), whose sum is σ = 173271360. Its totient is φ = 129953508.

The previous prime is 151612429. The next prime is 151612451. The reversal of 151612433 is 334216151.

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 151612433 - 2² = 151612429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151612403) 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, 10829453 + ... + 10829466.

It is an arithmetic number, because the mean of its divisors is an integer number (43317840).

Almost surely, 2^151612433 is an apocalyptic number.

It is an amenable number.

151612433 is a deficient number, since it is larger than the sum of its proper divisors (21658927).

151612433 is an equidigital number, since it uses as much as digits as its factorization.

151612433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21658926.

The product of its digits is 2160, while the sum is 26.

The square root of 151612433 is about 12313.1000564439. The cubic root of 151612433 is about 533.2263540203.

Adding to 151612433 its reverse (334216151), we get a palindrome (485828584).

The spelling of 151612433 in words is "one hundred fifty-one million, six hundred twelve thousand, four hundred thirty-three".