145087755219 has 24 divisors (see below), whose sum is σ = 228647406000. Its totient is φ = 87922635840.

The previous prime is 145087755209. The next prime is 145087755257. The reversal of 145087755219 is 912557780541.

145087755219 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 8 + 77 + 552 + 19 = 666.

It is not a de Polignac number, because 145087755219 - 2⁸ = 145087754963 is a prime.

It is a super-2 number, since 2×145087755219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145087755209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 924057 + ... + 1069605.

It is an arithmetic number, because the mean of its divisors is an integer number (9526975250).

Almost surely, 2^145087755219 is an apocalyptic number.

145087755219 is a deficient number, since it is larger than the sum of its proper divisors (83559650781).

145087755219 is a wasteful number, since it uses less digits than its factorization.

145087755219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155635 (or 155632 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 54.

The spelling of 145087755219 in words is "one hundred forty-five billion, eighty-seven million, seven hundred fifty-five thousand, two hundred nineteen".