145019982973 has 8 divisors (see below), whose sum is σ = 153240710400. Its totient is φ = 136958881488.

The previous prime is 145019982937. The next prime is 145019983007. The reversal of 145019982973 is 379289910541.

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 145019982973 - 2¹⁷ = 145019851901 is a prime.

It is a super-2 number, since 2×145019982973² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145019382973) 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, 39904618 + ... + 39908251.

It is an arithmetic number, because the mean of its divisors is an integer number (19155088800).

Almost surely, 2^145019982973 is an apocalyptic number.

It is an amenable number.

145019982973 is a deficient number, since it is larger than the sum of its proper divisors (8220727427).

145019982973 is an equidigital number, since it uses as much as digits as its factorization.

145019982973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79812971.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 145019982973 in words is "one hundred forty-five billion, nineteen million, nine hundred eighty-two thousand, nine hundred seventy-three".