145170043 has 8 divisors (see below), whose sum is σ = 151603200. Its totient is φ = 138747048.

The previous prime is 145170037. The next prime is 145170049. The reversal of 145170043 is 340071541.

It is an interprime number because it is at equal distance from previous prime (145170037) and next prime (145170049).

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 145170043 - 2²⁵ = 111615611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145170049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50088 + ... + 52906.

It is an arithmetic number, because the mean of its divisors is an integer number (18950400).

Almost surely, 2^145170043 is an apocalyptic number.

145170043 is a deficient number, since it is larger than the sum of its proper divisors (6433157).

145170043 is a wasteful number, since it uses less digits than its factorization.

145170043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 145170043 is about 12048.6531612459. The cubic root of 145170043 is about 525.5640715854.

The spelling of 145170043 in words is "one hundred forty-five million, one hundred seventy thousand, forty-three".