154151125322225 has 24 divisors (see below), whose sum is σ = 191365021819008. Its totient is φ = 123180507195200.

The previous prime is 154151125322209. The next prime is 154151125322269. The reversal of 154151125322225 is 522223521151451.

It is not a de Polignac number, because 154151125322225 - 2⁴ = 154151125322209 is a prime.

It is a super-2 number, since 2×154151125322225² (a number of 29 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 23 ways as a sum of consecutive naturals, for example, 619287242 + ... + 619536108.

It is an arithmetic number, because the mean of its divisors is an integer number (7973542575792).

Almost surely, 2^{154151125322225} is an apocalyptic number.

It is an amenable number.

154151125322225 is a deficient number, since it is larger than the sum of its proper divisors (37213896496783).

154151125322225 is a wasteful number, since it uses less digits than its factorization.

154151125322225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276985 (or 276980 counting only the distinct ones).

The product of its digits is 240000, while the sum is 41.

Adding to 154151125322225 its reverse (522223521151451), we get a palindrome (676374646473676).

The spelling of 154151125322225 in words is "one hundred fifty-four trillion, one hundred fifty-one billion, one hundred twenty-five million, three hundred twenty-two thousand, two hundred twenty-five".