145051555555 has 8 divisors (see below), whose sum is σ = 174075645312. Its totient is φ = 116032058688.

The previous prime is 145051555541. The next prime is 145051555567. The reversal of 145051555555 is 555555150541.

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 145051555555 - 2¹⁹ = 145051031267 is a prime.

It is a Duffinian 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, 1078354 + ... + 1205383.

It is an arithmetic number, because the mean of its divisors is an integer number (21759455664).

Almost surely, 2^145051555555 is an apocalyptic number.

145051555555 is a deficient number, since it is larger than the sum of its proper divisors (29024089757).

145051555555 is a wasteful number, since it uses less digits than its factorization.

145051555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296445.

The product of its (nonzero) digits is 1562500, while the sum is 46.

The spelling of 145051555555 in words is "one hundred forty-five billion, fifty-one million, five hundred fifty-five thousand, five hundred fifty-five".