145251395 has 8 divisors (see below), whose sum is σ = 174412656. Its totient is φ = 116127136.

The previous prime is 145251391. The next prime is 145251427. The reversal of 145251395 is 593152541.

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 145251395 - 2² = 145251391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145251391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (21801582).

Almost surely, 2^145251395 is an apocalyptic number.

145251395 is a deficient number, since it is larger than the sum of its proper divisors (29161261).

145251395 is a wasteful number, since it uses less digits than its factorization.

145251395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501.

The product of its digits is 27000, while the sum is 35.

The square root of 145251395 is about 12052.0286674070. The cubic root of 145251395 is about 525.6622270618.

The spelling of 145251395 in words is "one hundred forty-five million, two hundred fifty-one thousand, three hundred ninety-five".