145161411 has 4 divisors (see below), whose sum is σ = 193548552. Its totient is φ = 96774272.

The previous prime is 145161409. The next prime is 145161413. The reversal of 145161411 is 114161541.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (145161409) and next prime (145161413).

It is a cyclic number.

It is not a de Polignac number, because 145161411 - 2¹ = 145161409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145161413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24193566 + ... + 24193571.

It is an arithmetic number, because the mean of its divisors is an integer number (48387138).

Almost surely, 2^145161411 is an apocalyptic number.

145161411 is a deficient number, since it is larger than the sum of its proper divisors (48387141).

145161411 is an equidigital number, since it uses as much as digits as its factorization.

145161411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48387140.

The product of its digits is 480, while the sum is 24.

The square root of 145161411 is about 12048.2949416090. The cubic root of 145161411 is about 525.5536544706.

The spelling of 145161411 in words is "one hundred forty-five million, one hundred sixty-one thousand, four hundred eleven".