145172411 has 8 divisors (see below), whose sum is σ = 150011904. Its totient is φ = 140342760.

The previous prime is 145172393. The next prime is 145172453. The reversal of 145172411 is 114271541.

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 145172411 - 2¹⁸ = 144910267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145172311) 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, 38726 + ... + 42308.

It is an arithmetic number, because the mean of its divisors is an integer number (18751488).

Almost surely, 2^145172411 is an apocalyptic number.

145172411 is a deficient number, since it is larger than the sum of its proper divisors (4839493).

145172411 is a wasteful number, since it uses less digits than its factorization.

145172411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its digits is 1120, while the sum is 26.

The square root of 145172411 is about 12048.7514290901. The cubic root of 145172411 is about 525.5669292203.

The spelling of 145172411 in words is "one hundred forty-five million, one hundred seventy-two thousand, four hundred eleven".