145745743 has 32 divisors (see below), whose sum is σ = 182891520. Its totient is φ = 114101760.

The previous prime is 145745729. The next prime is 145745749. The reversal of 145745743 is 347547541.

It is a cyclic number.

It is not a de Polignac number, because 145745743 - 2⁵ = 145745711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145745696 and 145745705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145745749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405798 + ... + 406156.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2^145745743 is an apocalyptic number.

145745743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145745743 is a deficient number, since it is larger than the sum of its proper divisors (37145777).

145745743 is a wasteful number, since it uses less digits than its factorization.

145745743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 235200, while the sum is 40.

The square root of 145745743 is about 12072.5201594365. The cubic root of 145745743 is about 526.2578973582.

The spelling of 145745743 in words is "one hundred forty-five million, seven hundred forty-five thousand, seven hundred forty-three".