145132645 has 16 divisors (see below), whose sum is σ = 207694080. Its totient is φ = 95192064.

The previous prime is 145132627. The next prime is 145132649. The reversal of 145132645 is 546231541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 145132645 - 2²³ = 136744037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145132649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89340 + ... + 90949.

It is an arithmetic number, because the mean of its divisors is an integer number (12980880).

Almost surely, 2^145132645 is an apocalyptic number.

It is an amenable number.

145132645 is a deficient number, since it is larger than the sum of its proper divisors (62561435).

145132645 is a wasteful number, since it uses less digits than its factorization.

145132645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180324.

The product of its digits is 14400, while the sum is 31.

The square root of 145132645 is about 12047.1011035850. The cubic root of 145132645 is about 525.5189366232.

The spelling of 145132645 in words is "one hundred forty-five million, one hundred thirty-two thousand, six hundred forty-five".