154240221111133 has 16 divisors (see below), whose sum is σ = 160074827503920. Its totient is φ = 148440050164224.

The previous prime is 154240221111101. The next prime is 154240221111253. The reversal of 154240221111133 is 331111122042451.

It can be written as a sum of positive squares in 8 ways, for example, as 2527470399204 + 151712750711929 = 1589802^2 + 12317173^2 .

It is not a de Polignac number, because 154240221111133 - 2⁵ = 154240221111101 is a prime.

It is a super-2 number, since 2×154240221111133² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154240221111095 and 154240221111104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154240221115133) 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, 243791835 + ... + 244423687.

It is an arithmetic number, because the mean of its divisors is an integer number (10004676718995).

Almost surely, 2^{154240221111133} is an apocalyptic number.

It is an amenable number.

154240221111133 is a deficient number, since it is larger than the sum of its proper divisors (5834606392787).

154240221111133 is a wasteful number, since it uses less digits than its factorization.

154240221111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659088.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 154240221111133 its reverse (331111122042451), we get a palindrome (485351343153584).

The spelling of 154240221111133 in words is "one hundred fifty-four trillion, two hundred forty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirty-three".