354520145450 has 48 divisors (see below), whose sum is σ = 666221700600. Its totient is φ = 140343840000.

The previous prime is 354520145431. The next prime is 354520145453. The reversal of 354520145450 is 54541025453.

It can be written as a sum of positive squares in 12 ways, for example, as 164030670049 + 190489475401 = 405007^2 + 436451^2 .

It is not an unprimeable number, because it can be changed into a prime (354520145453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12858680 + ... + 12886220.

Almost surely, 2^354520145450 is an apocalyptic number.

354520145450 is a deficient number, since it is larger than the sum of its proper divisors (311701555150).

354520145450 is a wasteful number, since it uses less digits than its factorization.

354520145450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30203 (or 30198 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 354520145450 in words is "three hundred fifty-four billion, five hundred twenty million, one hundred forty-five thousand, four hundred fifty".