145597361 has 32 divisors (see below), whose sum is σ = 190632960. Its totient is φ = 107977536.

The previous prime is 145597351. The next prime is 145597363. The reversal of 145597361 is 163795541.

145597361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145597361 - 2¹⁰ = 145596337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145597363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184610 + ... + 185396.

It is an arithmetic number, because the mean of its divisors is an integer number (5957280).

Almost surely, 2^145597361 is an apocalyptic number.

It is an amenable number.

145597361 is a deficient number, since it is larger than the sum of its proper divisors (45035599).

145597361 is a wasteful number, since it uses less digits than its factorization.

145597361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its digits is 113400, while the sum is 41.

The square root of 145597361 is about 12066.3731502055. The cubic root of 145597361 is about 526.0792444233.

The spelling of 145597361 in words is "one hundred forty-five million, five hundred ninety-seven thousand, three hundred sixty-one".