145400040455 has 8 divisors (see below), whose sum is σ = 174844310400. Its totient is φ = 116077191136.

The previous prime is 145400040431. The next prime is 145400040589. The reversal of 145400040455 is 554040004541.

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 145400040455 - 2¹⁶ = 145399974919 is a prime.

It is a super-2 number, since 2×145400040455² (a number of 23 digits) contains 22 as substring.

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, 30352520 + ... + 30357309.

It is an arithmetic number, because the mean of its divisors is an integer number (21855538800).

Almost surely, 2^145400040455 is an apocalyptic number.

145400040455 is a deficient number, since it is larger than the sum of its proper divisors (29444269945).

145400040455 is an equidigital number, since it uses as much as digits as its factorization.

145400040455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60710313.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 145400040455 its reverse (554040004541), we get a palindrome (699440044996).

The spelling of 145400040455 in words is "one hundred forty-five billion, four hundred million, forty thousand, four hundred fifty-five".