145613541 has 8 divisors (see below), whose sum is σ = 200414464. Its totient is φ = 93944160.

The previous prime is 145613539. The next prime is 145613557. The reversal of 145613541 is 145316541.

It is a happy number.

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

It is not a de Polignac number, because 145613541 - 2¹ = 145613539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145613499 and 145613508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145613521) 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, 782776 + ... + 782961.

It is an arithmetic number, because the mean of its divisors is an integer number (25051808).

Almost surely, 2^145613541 is an apocalyptic number.

It is an amenable number.

145613541 is a deficient number, since it is larger than the sum of its proper divisors (54800923).

145613541 is a wasteful number, since it uses less digits than its factorization.

145613541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565771.

The product of its digits is 7200, while the sum is 30.

The square root of 145613541 is about 12067.0435898773. The cubic root of 145613541 is about 526.0987311476.

The spelling of 145613541 in words is "one hundred forty-five million, six hundred thirteen thousand, five hundred forty-one".