254145645134 has 16 divisors (see below), whose sum is σ = 418729668480. Its totient is φ = 115150658040.

The previous prime is 254145645121. The next prime is 254145645139. The reversal of 254145645134 is 431546541452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254145645139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145391372 + ... + 145393119.

It is an arithmetic number, because the mean of its divisors is an integer number (26170604280).

Almost surely, 2^254145645134 is an apocalyptic number.

254145645134 is a deficient number, since it is larger than the sum of its proper divisors (164584023346).

254145645134 is a wasteful number, since it uses less digits than its factorization.

254145645134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290784535.

The product of its digits is 1152000, while the sum is 44.

The spelling of 254145645134 in words is "two hundred fifty-four billion, one hundred forty-five million, six hundred forty-five thousand, one hundred thirty-four".