145488623 has 8 divisors (see below), whose sum is σ = 170328480. Its totient is φ = 121662720.

The previous prime is 145488619. The next prime is 145488647. The reversal of 145488623 is 326884541.

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 145488623 - 2² = 145488619 is a prime.

It is a super-2 number, since 2×145488623² = 42333878844872258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145488653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253178 + ... + 253751.

It is an arithmetic number, because the mean of its divisors is an integer number (21291060).

Almost surely, 2^145488623 is an apocalyptic number.

145488623 is a deficient number, since it is larger than the sum of its proper divisors (24839857).

145488623 is an equidigital number, since it uses as much as digits as its factorization.

145488623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506977.

The product of its digits is 184320, while the sum is 41.

The square root of 145488623 is about 12061.8664807732. The cubic root of 145488623 is about 525.9482460514.

The spelling of 145488623 in words is "one hundred forty-five million, four hundred eighty-eight thousand, six hundred twenty-three".