254415046145 has 8 divisors (see below), whose sum is σ = 328782521256. Its totient is φ = 187875726336.

The previous prime is 254415046141. The next prime is 254415046177. The reversal of 254415046145 is 541640514452.

It can be written as a sum of positive squares in 4 ways, for example, as 32001649 + 254383044496 = 5657^2 + 504364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254415046145 - 2² = 254415046141 is a prime.

It is a super-2 number, since 2×254415046145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254415046141) 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, 1957038752 + ... + 1957038881.

It is an arithmetic number, because the mean of its divisors is an integer number (41097815157).

Almost surely, 2^254415046145 is an apocalyptic number.

It is an amenable number.

254415046145 is a deficient number, since it is larger than the sum of its proper divisors (74367475111).

254415046145 is a wasteful number, since it uses less digits than its factorization.

254415046145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914077651.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 254415046145 in words is "two hundred fifty-four billion, four hundred fifteen million, forty-six thousand, one hundred forty-five".