145660623 has 8 divisors (see below), whose sum is σ = 196874928. Its totient is φ = 95776704.

The previous prime is 145660621. The next prime is 145660663. The reversal of 145660623 is 326066541.

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

It is not a de Polignac number, because 145660623 - 2¹ = 145660621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145660621) 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, 332340 + ... + 332777.

It is an arithmetic number, because the mean of its divisors is an integer number (24609366).

Almost surely, 2^145660623 is an apocalyptic number.

145660623 is a deficient number, since it is larger than the sum of its proper divisors (51214305).

145660623 is an equidigital number, since it uses as much as digits as its factorization.

145660623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665193.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 145660623 is about 12068.9942828721. The cubic root of 145660623 is about 526.1554271369.

The spelling of 145660623 in words is "one hundred forty-five million, six hundred sixty thousand, six hundred twenty-three".