145052347 has 8 divisors (see below), whose sum is σ = 167547312. Its totient is φ = 124108800.

The previous prime is 145052339. The next prime is 145052407. The reversal of 145052347 is 743250541.

145052347 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 a cyclic number.

It is not a de Polignac number, because 145052347 - 2³ = 145052339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145053347) 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, 387654 + ... + 388027.

It is an arithmetic number, because the mean of its divisors is an integer number (20943414).

Almost surely, 2^145052347 is an apocalyptic number.

145052347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145052347 is a deficient number, since it is larger than the sum of its proper divisors (22494965).

145052347 is a wasteful number, since it uses less digits than its factorization.

145052347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775709.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 145052347 is about 12043.7679735206. The cubic root of 145052347 is about 525.4220002325.

The spelling of 145052347 in words is "one hundred forty-five million, fifty-two thousand, three hundred forty-seven".