145897365 has 8 divisors (see below), whose sum is σ = 233435808. Its totient is φ = 77811920.

The previous prime is 145897361. The next prime is 145897397. The reversal of 145897365 is 563798541.

145897365 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 145897365 - 2² = 145897361 is a prime.

It is a super-2 number, since 2×145897365² = 42572082227886450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145897361) 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, 4863231 + ... + 4863260.

It is an arithmetic number, because the mean of its divisors is an integer number (29179476).

Almost surely, 2^145897365 is an apocalyptic number.

145897365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145897365 is a deficient number, since it is larger than the sum of its proper divisors (87538443).

145897365 is an equidigital number, since it uses as much as digits as its factorization.

145897365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726499.

The product of its digits is 907200, while the sum is 48.

The square root of 145897365 is about 12078.7981604131. The cubic root of 145897365 is about 526.4403260623.

The spelling of 145897365 in words is "one hundred forty-five million, eight hundred ninety-seven thousand, three hundred sixty-five".