145416340420522 has 8 divisors (see below), whose sum is σ = 218124806160996. Its totient is φ = 72708071700192.

The previous prime is 145416340420499. The next prime is 145416340420541. The reversal of 145416340420522 is 225024043614541.

It can be written as a sum of positive squares in 2 ways, for example, as 140513973191881 + 4902367228641 = 11853859^2 + 2214129^2 .

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

It is a super-2 number, since 2×145416340420522² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47395803 + ... + 50370574.

Almost surely, 2^{145416340420522} is an apocalyptic number.

145416340420522 is a deficient number, since it is larger than the sum of its proper divisors (72708465740474).

145416340420522 is an equidigital number, since it uses as much as digits as its factorization.

145416340420522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98510072.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 145416340420522 in words is "one hundred forty-five trillion, four hundred sixteen billion, three hundred forty million, four hundred twenty thousand, five hundred twenty-two".