145303254311 has 4 divisors (see below), whose sum is σ = 146636311800. Its totient is φ = 143970196824.

The previous prime is 145303254277. The next prime is 145303254323. The reversal of 145303254311 is 113452303541.

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

It is a cyclic number.

It is not a de Polignac number, because 145303254311 - 2¹⁴ = 145303237927 is a prime.

It is a super-2 number, since 2×145303254311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145303254511) 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, 666528581 + ... + 666528798.

It is an arithmetic number, because the mean of its divisors is an integer number (36659077950).

Almost surely, 2^145303254311 is an apocalyptic number.

145303254311 is a deficient number, since it is larger than the sum of its proper divisors (1333057489).

145303254311 is a wasteful number, since it uses less digits than its factorization.

145303254311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333057488.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 145303254311 its reverse (113452303541), we get a palindrome (258755557852).

The spelling of 145303254311 in words is "one hundred forty-five billion, three hundred three million, two hundred fifty-four thousand, three hundred eleven".