145456272473 has 8 divisors (see below), whose sum is σ = 148846315200. Its totient is φ = 142066563408.

The previous prime is 145456272443. The next prime is 145456272527. The reversal of 145456272473 is 374272654541.

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 145456272473 - 2³⁴ = 128276403289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145456272433) 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, 944468 + ... + 1087626.

It is an arithmetic number, because the mean of its divisors is an integer number (18605789400).

Almost surely, 2^145456272473 is an apocalyptic number.

It is an amenable number.

145456272473 is a deficient number, since it is larger than the sum of its proper divisors (3390042727).

145456272473 is a wasteful number, since it uses less digits than its factorization.

145456272473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166831.

The product of its digits is 5644800, while the sum is 50.

The spelling of 145456272473 in words is "one hundred forty-five billion, four hundred fifty-six million, two hundred seventy-two thousand, four hundred seventy-three".