154221046265 has 16 divisors (see below), whose sum is σ = 217419322176. Its totient is φ = 103533009600.

The previous prime is 154221046207. The next prime is 154221046283. The reversal of 154221046265 is 562640122451.

It is not a de Polignac number, because 154221046265 - 2²⁶ = 154153937401 is a prime.

It is a super-2 number, since 2×154221046265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107846171 + ... + 107847600.

It is an arithmetic number, because the mean of its divisors is an integer number (13588707636).

Almost surely, 2^154221046265 is an apocalyptic number.

It is an amenable number.

154221046265 is a deficient number, since it is larger than the sum of its proper divisors (63198275911).

154221046265 is a wasteful number, since it uses less digits than its factorization.

154221046265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215693800.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 154221046265 in words is "one hundred fifty-four billion, two hundred twenty-one million, forty-six thousand, two hundred sixty-five".