145340943 has 8 divisors (see below), whose sum is σ = 211405056. Its totient is φ = 88085400.

The previous prime is 145340929. The next prime is 145340947. The reversal of 145340943 is 349043541.

145340943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145340943 - 2¹² = 145336847 is a prime.

It is a super-2 number, since 2×145340943² = 42247979424258498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4404271 = 145340943 / (1 + 4 + 5 + 3 + 4 + 0 + 9 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145340947) 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, 2202103 + ... + 2202168.

It is an arithmetic number, because the mean of its divisors is an integer number (26425632).

Almost surely, 2^145340943 is an apocalyptic number.

145340943 is a deficient number, since it is larger than the sum of its proper divisors (66064113).

145340943 is a wasteful number, since it uses less digits than its factorization.

145340943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404285.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 145340943 is about 12055.7431541983. The cubic root of 145340943 is about 525.7702290792.

The spelling of 145340943 in words is "one hundred forty-five million, three hundred forty thousand, nine hundred forty-three".