145597156 has 24 divisors (see below), whose sum is σ = 258753600. Its totient is φ = 71676000.

The previous prime is 145597141. The next prime is 145597157. The reversal of 145597156 is 651795541.

It is not an unprimeable number, because it can be changed into a prime (145597157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79491 + ... + 81301.

It is an arithmetic number, because the mean of its divisors is an integer number (10781400).

Almost surely, 2^145597156 is an apocalyptic number.

It is an amenable number.

145597156 is a deficient number, since it is larger than the sum of its proper divisors (113156444).

145597156 is a wasteful number, since it uses less digits than its factorization.

145597156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2113 counting only the distinct ones).

The product of its digits is 189000, while the sum is 43.

The square root of 145597156 is about 12066.3646555207. The cubic root of 145597156 is about 526.0789975179.

The spelling of 145597156 in words is "one hundred forty-five million, five hundred ninety-seven thousand, one hundred fifty-six".