145016545 has 8 divisors (see below), whose sum is σ = 184256424. Its totient is φ = 109188864.

The previous prime is 145016539. The next prime is 145016551. The reversal of 145016545 is 545610541.

It is an interprime number because it is at equal distance from previous prime (145016539) and next prime (145016551).

It can be written as a sum of positive squares in 4 ways, for example, as 81288256 + 63728289 = 9016^2 + 7983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145016545 - 2³ = 145016537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852954 + ... + 853123.

It is an arithmetic number, because the mean of its divisors is an integer number (23032053).

Almost surely, 2^145016545 is an apocalyptic number.

It is an amenable number.

145016545 is a deficient number, since it is larger than the sum of its proper divisors (39239879).

145016545 is a wasteful number, since it uses less digits than its factorization.

145016545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706099.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145016545 is about 12042.2815529284. The cubic root of 145016545 is about 525.3787682391.

The spelling of 145016545 in words is "one hundred forty-five million, sixteen thousand, five hundred forty-five".