145525411 has 4 divisors (see below), whose sum is σ = 146636424. Its totient is φ = 144414400.

The previous prime is 145525399. The next prime is 145525417. The reversal of 145525411 is 114525541.

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

It is not a de Polignac number, because 145525411 - 2⁷ = 145525283 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 145525411.

It is not an unprimeable number, because it can be changed into a prime (145525417) 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, 555310 + ... + 555571.

It is an arithmetic number, because the mean of its divisors is an integer number (36659106).

Almost surely, 2^145525411 is an apocalyptic number.

145525411 is a deficient number, since it is larger than the sum of its proper divisors (1111013).

145525411 is a wasteful number, since it uses less digits than its factorization.

145525411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111012.

The product of its digits is 4000, while the sum is 28.

The square root of 145525411 is about 12063.3913556678. The cubic root of 145525411 is about 525.9925724348.

The spelling of 145525411 in words is "one hundred forty-five million, five hundred twenty-five thousand, four hundred eleven".