145832473 has 2 divisors, whose sum is σ = 145832474. Its totient is φ = 145832472.

The previous prime is 145832471. The next prime is 145832497. The reversal of 145832473 is 374238541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144648729 + 1183744 = 12027^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 145832473 - 2¹ = 145832471 is a prime.

It is a super-2 number, since 2×145832473² = 42534220362591458, which contains 22 as substring.

Together with 145832471, it forms a pair of twin primes.

It is equal to p_8222869 and since 145832473 and 8222869 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (145832471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72916236 + 72916237.

It is an arithmetic number, because the mean of its divisors is an integer number (72916237).

Almost surely, 2^145832473 is an apocalyptic number.

It is an amenable number.

145832473 is a deficient number, since it is larger than the sum of its proper divisors (1).

145832473 is an equidigital number, since it uses as much as digits as its factorization.

145832473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 145832473 is about 12076.1116672545. Note that the first 3 decimals coincide. The cubic root of 145832473 is about 526.3622647218.

The spelling of 145832473 in words is "one hundred forty-five million, eight hundred thirty-two thousand, four hundred seventy-three".