145420425335455 has 8 divisors (see below), whose sum is σ = 174514135160304. Its totient is φ = 116329923763200.

The previous prime is 145420425335429. The next prime is 145420425335531. The reversal of 145420425335455 is 554533524024541.

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

It is not a de Polignac number, because 145420425335455 - 2¹³ = 145420425327263 is a prime.

It is a super-2 number, since 2×145420425335455² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801963426 + ... + 802144735.

It is an arithmetic number, because the mean of its divisors is an integer number (21814266895038).

Almost surely, 2^{145420425335455} is an apocalyptic number.

145420425335455 is a deficient number, since it is larger than the sum of its proper divisors (29093709824849).

145420425335455 is a wasteful number, since it uses less digits than its factorization.

145420425335455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604126297.

The product of its (nonzero) digits is 28800000, while the sum is 52.

Adding to 145420425335455 its reverse (554533524024541), we get a palindrome (699953949359996).

The spelling of 145420425335455 in words is "one hundred forty-five trillion, four hundred twenty billion, four hundred twenty-five million, three hundred thirty-five thousand, four hundred fifty-five".