151223465 has 4 divisors (see below), whose sum is σ = 181468164. Its totient is φ = 120978768.

The previous prime is 151223417. The next prime is 151223491. The reversal of 151223465 is 564322151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564322151 = 677 ⋅833563.

It can be written as a sum of positive squares in 2 ways, for example, as 75672601 + 75550864 = 8699^2 + 8692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151223465 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15122342 + ... + 15122351.

It is an arithmetic number, because the mean of its divisors is an integer number (45367041).

Almost surely, 2^151223465 is an apocalyptic number.

It is an amenable number.

151223465 is a deficient number, since it is larger than the sum of its proper divisors (30244699).

151223465 is an equidigital number, since it uses as much as digits as its factorization.

151223465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30244698.

The product of its digits is 7200, while the sum is 29.

The square root of 151223465 is about 12297.2950277693. The cubic root of 151223465 is about 532.7699587039.

The spelling of 151223465 in words is "one hundred fifty-one million, two hundred twenty-three thousand, four hundred sixty-five".