145574 has 16 divisors (see below), whose sum is σ = 257040. Its totient is φ = 60960.

The previous prime is 145549. The next prime is 145577. The reversal of 145574 is 475541.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145577) by changing a digit.

145574 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, 32 + ... + 540.

It is an arithmetic number, because the mean of its divisors is an integer number (16065).

2¹⁴⁵⁵⁷⁴ is an apocalyptic number.

145574 is a deficient number, since it is larger than the sum of its proper divisors (111466).

145574 is a wasteful number, since it uses less digits than its factorization.

145574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its digits is 2800, while the sum is 26.

The square root of 145574 is about 381.5416097885. The cubic root of 145574 is about 52.6051106563.

The spelling of 145574 in words is "one hundred forty-five thousand, five hundred seventy-four".