151132445 has 4 divisors (see below), whose sum is σ = 181358940. Its totient is φ = 120905952.

The previous prime is 151132433. The next prime is 151132447. The reversal of 151132445 is 544231151.

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 61811044 + 89321401 = 7862^2 + 9451^2 .

It is a cyclic number.

It is not a de Polignac number, because 151132445 - 2⁶ = 151132381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151132447) 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, 15113240 + ... + 15113249.

It is an arithmetic number, because the mean of its divisors is an integer number (45339735).

Almost surely, 2^151132445 is an apocalyptic number.

It is an amenable number.

151132445 is a deficient number, since it is larger than the sum of its proper divisors (30226495).

151132445 is an equidigital number, since it uses as much as digits as its factorization.

151132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30226494.

The product of its digits is 2400, while the sum is 26.

The square root of 151132445 is about 12293.5936568605. The cubic root of 151132445 is about 532.6630474870.

Adding to 151132445 its reverse (544231151), we get a palindrome (695363596).

The spelling of 151132445 in words is "one hundred fifty-one million, one hundred thirty-two thousand, four hundred forty-five".