145464171 has 32 divisors (see below), whose sum is σ = 209952000. Its totient is φ = 89301888.

The previous prime is 145464113. The next prime is 145464217. The reversal of 145464171 is 171464541.

It is not a de Polignac number, because 145464171 - 2¹⁰ = 145463147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145464101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540625 + ... + 540893.

It is an arithmetic number, because the mean of its divisors is an integer number (6561000).

Almost surely, 2^145464171 is an apocalyptic number.

145464171 is a deficient number, since it is larger than the sum of its proper divisors (64487829).

145464171 is a wasteful number, since it uses less digits than its factorization.

145464171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its digits is 13440, while the sum is 33.

The square root of 145464171 is about 12060.8528305423. The cubic root of 145464171 is about 525.9187793554.

The spelling of 145464171 in words is "one hundred forty-five million, four hundred sixty-four thousand, one hundred seventy-one".