154196465 has 4 divisors (see below), whose sum is σ = 185035764. Its totient is φ = 123357168.

The previous prime is 154196461. The next prime is 154196467. The reversal of 154196465 is 564691451.

154196465 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.

It can be written as a sum of positive squares in 2 ways, for example, as 23116864 + 131079601 = 4808^2 + 11449^2 .

It is a cyclic number.

It is not a de Polignac number, because 154196465 - 2² = 154196461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154196461) 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, 15419642 + ... + 15419651.

It is an arithmetic number, because the mean of its divisors is an integer number (46258941).

Almost surely, 2^154196465 is an apocalyptic number.

It is an amenable number.

154196465 is a deficient number, since it is larger than the sum of its proper divisors (30839299).

154196465 is an equidigital number, since it uses as much as digits as its factorization.

154196465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30839298.

The product of its digits is 129600, while the sum is 41.

The square root of 154196465 is about 12417.5869233922. The cubic root of 154196465 is about 536.2386822649.

The spelling of 154196465 in words is "one hundred fifty-four million, one hundred ninety-six thousand, four hundred sixty-five".