145532645 has 16 divisors (see below), whose sum is σ = 178139520. Its totient is φ = 114105024.

The previous prime is 145532627. The next prime is 145532663. The reversal of 145532645 is 546235541.

145532645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145532627) and next prime (145532663).

It is a cyclic number.

It is not a de Polignac number, because 145532645 - 2¹² = 145528549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143159 + ... + 144171.

It is an arithmetic number, because the mean of its divisors is an integer number (11133720).

Almost surely, 2^145532645 is an apocalyptic number.

It is an amenable number.

145532645 is a deficient number, since it is larger than the sum of its proper divisors (32606875).

145532645 is a wasteful number, since it uses less digits than its factorization.

145532645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 72000, while the sum is 35.

The square root of 145532645 is about 12063.6911847079. The cubic root of 145532645 is about 526.0012879052.

The spelling of 145532645 in words is "one hundred forty-five million, five hundred thirty-two thousand, six hundred forty-five".