154552465 has 4 divisors (see below), whose sum is σ = 185462964. Its totient is φ = 123641968.

The previous prime is 154552439. The next prime is 154552469. The reversal of 154552465 is 564255451.

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 94458961 + 60093504 = 9719^2 + 7752^2 .

It is a cyclic number.

It is not a de Polignac number, because 154552465 - 2⁷ = 154552337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154552469) 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, 15455242 + ... + 15455251.

It is an arithmetic number, because the mean of its divisors is an integer number (46365741).

Almost surely, 2^154552465 is an apocalyptic number.

It is an amenable number.

154552465 is a deficient number, since it is larger than the sum of its proper divisors (30910499).

154552465 is an equidigital number, since it uses as much as digits as its factorization.

154552465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30910498.

The product of its digits is 120000, while the sum is 37.

The square root of 154552465 is about 12431.9131673287. The cubic root of 154552465 is about 536.6510441723.

The spelling of 154552465 in words is "one hundred fifty-four million, five hundred fifty-two thousand, four hundred sixty-five".