145451882019 has 8 divisors (see below), whose sum is σ = 194635973200. Its totient is φ = 96617856096.

The previous prime is 145451881999. The next prime is 145451882027. The reversal of 145451882019 is 910288154541.

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

It is not a de Polignac number, because 145451882019 - 2¹⁵ = 145451849251 is a prime.

It is a super-2 number, since 2×145451882019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145451880019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87515344 + ... + 87517005.

It is an arithmetic number, because the mean of its divisors is an integer number (24329496650).

Almost surely, 2^145451882019 is an apocalyptic number.

145451882019 is a deficient number, since it is larger than the sum of its proper divisors (49184091181).

145451882019 is a wasteful number, since it uses less digits than its factorization.

145451882019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175032629.

The product of its (nonzero) digits is 460800, while the sum is 48.

The spelling of 145451882019 in words is "one hundred forty-five billion, four hundred fifty-one million, eight hundred eighty-two thousand, nineteen".