145355 has 8 divisors (see below), whose sum is σ = 199392. Its totient is φ = 99648.

The previous prime is 145349. The next prime is 145361. The reversal of 145355 is 553541.

Added to its reverse (553541) it gives a square (698896 = 836²).

It is an interprime number because it is at equal distance from previous prime (145349) and next prime (145361).

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 145355 - 2¹⁴ = 128971 is a prime.

It is a super-2 number, since 2×145355² = 42256152050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145355.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (24924).

2¹⁴⁵³⁵⁵ is an apocalyptic number.

145355 is a deficient number, since it is larger than the sum of its proper divisors (54037).

145355 is an equidigital number, since it uses as much as digits as its factorization.

145355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165.

The product of its digits is 1500, while the sum is 23.

The square root of 145355 is about 381.2545081701. The cubic root of 145355 is about 52.5787178912.

Adding to 145355 its reverse (553541), we get a palindrome (698896).

The spelling of 145355 in words is "one hundred forty-five thousand, three hundred fifty-five".