145246311 has 32 divisors (see below), whose sum is σ = 256619520. Its totient is φ = 79386912.

The previous prime is 145246291. The next prime is 145246331. The reversal of 145246311 is 113642541.

It is a happy number.

145246311 is a `hidden beast` number, since 1 + 4 + 5 + 24 + 631 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (145246291) and next prime (145246331).

It is not a de Polignac number, because 145246311 - 2⁶ = 145246247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145246331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12360 + ... + 21053.

It is an arithmetic number, because the mean of its divisors is an integer number (8019360).

Almost surely, 2^145246311 is an apocalyptic number.

145246311 is a deficient number, since it is larger than the sum of its proper divisors (111373209).

145246311 is a wasteful number, since it uses less digits than its factorization.

145246311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33452 (or 33446 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 145246311 is about 12051.8177467136. The cubic root of 145246311 is about 525.6560940216.

Adding to 145246311 its reverse (113642541), we get a palindrome (258888852).

The spelling of 145246311 in words is "one hundred forty-five million, two hundred forty-six thousand, three hundred eleven".