145477911 has 8 divisors (see below), whose sum is σ = 194079600. Its totient is φ = 96930752.

The previous prime is 145477909. The next prime is 145477919. The reversal of 145477911 is 119774541.

It is a happy number.

145477911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145477911 - 2¹ = 145477909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145477911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145477919) 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, 6936 + ... + 18413.

It is an arithmetic number, because the mean of its divisors is an integer number (24259950).

Almost surely, 2^145477911 is an apocalyptic number.

145477911 is a deficient number, since it is larger than the sum of its proper divisors (48601689).

145477911 is a wasteful number, since it uses less digits than its factorization.

145477911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265.

The product of its digits is 35280, while the sum is 39.

The square root of 145477911 is about 12061.4224285529. The cubic root of 145477911 is about 525.9353376058.

The spelling of 145477911 in words is "one hundred forty-five million, four hundred seventy-seven thousand, nine hundred eleven".