145054243554 has 64 divisors (see below), whose sum is σ = 335288305152. Its totient is φ = 41346771200.

The previous prime is 145054243541. The next prime is 145054243567. The reversal of 145054243554 is 455342450541.

It is an interprime number because it is at equal distance from previous prime (145054243541) and next prime (145054243567).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1996249 + ... + 2067635.

It is an arithmetic number, because the mean of its divisors is an integer number (5238879768).

Almost surely, 2^145054243554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145054243554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167644152576).

145054243554 is an abundant number, since it is smaller than the sum of its proper divisors (190234061598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145054243554 is a wasteful number, since it uses less digits than its factorization.

145054243554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73231.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 145054243554 in words is "one hundred forty-five billion, fifty-four million, two hundred forty-three thousand, five hundred fifty-four".