154272225465 has 12 divisors (see below), whose sum is σ = 267405190884. Its totient is φ = 82278520224.

The previous prime is 154272225421. The next prime is 154272225467. The reversal of 154272225465 is 564522272451.

154272225465 is a `hidden beast` number, since 1 + 542 + 7 + 22 + 25 + 4 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21995262864 + 132276962601 = 148308^2 + 363699^2 .

It is not a de Polignac number, because 154272225465 - 2⁷ = 154272225337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3428271677 = 154272225465 / (1 + 5 + 4 + 2 + 7 + 2 + 2 + 2 + 5 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 154272225465.

It is not an unprimeable number, because it can be changed into a prime (154272225467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714135794 + ... + 1714135883.

It is an arithmetic number, because the mean of its divisors is an integer number (22283765907).

Almost surely, 2^154272225465 is an apocalyptic number.

154272225465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154272225465 is a deficient number, since it is larger than the sum of its proper divisors (113132965419).

154272225465 is a wasteful number, since it uses less digits than its factorization.

154272225465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428271688 (or 3428271685 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The spelling of 154272225465 in words is "one hundred fifty-four billion, two hundred seventy-two million, two hundred twenty-five thousand, four hundred sixty-five".