145746 has 16 divisors (see below), whose sum is σ = 324000. Its totient is φ = 48564.

The previous prime is 145723. The next prime is 145753. The reversal of 145746 is 647541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

145746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2¹⁴⁵⁷⁴⁶ is an apocalyptic number.

145746 is an abundant number, since it is smaller than the sum of its proper divisors (178254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145746 is a wasteful number, since it uses less digits than its factorization.

145746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2704 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 145746 is about 381.7669446141. The cubic root of 145746 is about 52.6258206683.

The spelling of 145746 in words is "one hundred forty-five thousand, seven hundred forty-six".