145465541 has 8 divisors (see below), whose sum is σ = 159224184. Its totient is φ = 132073920.

The previous prime is 145465519. The next prime is 145465543. The reversal of 145465541 is 145564541.

It can be written as a sum of positive squares in 4 ways, for example, as 7896100 + 137569441 = 2810^2 + 11729^2 .

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 145465541 - 2⁶ = 145465477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145465543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90926 + ... + 92511.

It is an arithmetic number, because the mean of its divisors is an integer number (19903023).

Almost surely, 2^145465541 is an apocalyptic number.

It is an amenable number.

145465541 is a deficient number, since it is larger than the sum of its proper divisors (13758643).

145465541 is a wasteful number, since it uses less digits than its factorization.

145465541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183511.

The product of its digits is 48000, while the sum is 35.

The square root of 145465541 is about 12060.9096257289. The cubic root of 145465541 is about 525.9204304068.

The spelling of 145465541 in words is "one hundred forty-five million, four hundred sixty-five thousand, five hundred forty-one".