145849141 has 8 divisors (see below), whose sum is σ = 157100544. Its totient is φ = 135006960.

The previous prime is 145849139. The next prime is 145849157. The reversal of 145849141 is 141948541.

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 145849141 - 2¹ = 145849139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145849141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145849181) 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, 101566 + ... + 102991.

It is an arithmetic number, because the mean of its divisors is an integer number (19637568).

Almost surely, 2^145849141 is an apocalyptic number.

It is an amenable number.

145849141 is a deficient number, since it is larger than the sum of its proper divisors (11251403).

145849141 is a wasteful number, since it uses less digits than its factorization.

145849141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204611.

The product of its digits is 23040, while the sum is 37.

The square root of 145849141 is about 12076.8017703364. The cubic root of 145849141 is about 526.3823175761.

The spelling of 145849141 in words is "one hundred forty-five million, eight hundred forty-nine thousand, one hundred forty-one".