145737 has 6 divisors (see below), whose sum is σ = 210522. Its totient is φ = 97152.

The previous prime is 145723. The next prime is 145753. The reversal of 145737 is 737541.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 576 = 381^2 + 24^2 .

It is not a de Polignac number, because 145737 - 2⁴ = 145721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145737.

It is not an unprimeable number, because it can be changed into a prime (145757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8088 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (35087).

2¹⁴⁵⁷³⁷ is an apocalyptic number.

It is an amenable number.

145737 is a deficient number, since it is larger than the sum of its proper divisors (64785).

145737 is a wasteful number, since it uses less digits than its factorization.

145737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199 (or 16196 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 145737 is about 381.7551571361. The cubic root of 145737 is about 52.6247374090.

The spelling of 145737 in words is "one hundred forty-five thousand, seven hundred thirty-seven".