154274052081 has 16 divisors (see below), whose sum is σ = 209220636800. Its totient is φ = 101090833920.

The previous prime is 154274052059. The next prime is 154274052089. The reversal of 154274052081 is 180250472451.

It is not a de Polignac number, because 154274052081 - 2¹⁸ = 154273789937 is a prime.

It is a super-2 number, since 2×154274052081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154274052089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45280 + ... + 557313.

It is an arithmetic number, because the mean of its divisors is an integer number (13076289800).

Almost surely, 2^154274052081 is an apocalyptic number.

It is an amenable number.

154274052081 is a deficient number, since it is larger than the sum of its proper divisors (54946584719).

154274052081 is a wasteful number, since it uses less digits than its factorization.

154274052081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604056.

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 154274052081 in words is "one hundred fifty-four billion, two hundred seventy-four million, fifty-two thousand, eighty-one".