145214312011 has 24 divisors (see below), whose sum is σ = 150418866416. Its totient is φ = 140172318720.

The previous prime is 145214311993. The next prime is 145214312017. The reversal of 145214312011 is 110213412541.

It is a happy number.

It is not a de Polignac number, because 145214312011 - 2⁷ = 145214311883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145214312017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72208996 + ... + 72211006.

Almost surely, 2^145214312011 is an apocalyptic number.

145214312011 is a deficient number, since it is larger than the sum of its proper divisors (5204554405).

145214312011 is an equidigital number, since it uses as much as digits as its factorization.

145214312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 145214312011 its reverse (110213412541), we get a palindrome (255427724552).

The spelling of 145214312011 in words is "one hundred forty-five billion, two hundred fourteen million, three hundred twelve thousand, eleven".