145504305114331 has 4 divisors (see below), whose sum is σ = 147553661524464. Its totient is φ = 143454948704200.

The previous prime is 145504305114299. The next prime is 145504305114433. The reversal of 145504305114331 is 133411503405541.

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 145504305114331 - 2⁵ = 145504305114299 is a prime.

It is a super-2 number, since 2×145504305114331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145504305114031) 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, 1024678204960 + ... + 1024678205101.

It is an arithmetic number, because the mean of its divisors is an integer number (36888415381116).

Almost surely, 2^{145504305114331} is an apocalyptic number.

145504305114331 is a deficient number, since it is larger than the sum of its proper divisors (2049356410133).

145504305114331 is an equidigital number, since it uses as much as digits as its factorization.

145504305114331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049356410132.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 145504305114331 its reverse (133411503405541), we get a palindrome (278915808519872).

The spelling of 145504305114331 in words is "one hundred forty-five trillion, five hundred four billion, three hundred five million, one hundred fourteen thousand, three hundred thirty-one".