145423022111 has 8 divisors (see below), whose sum is σ = 153082498800. Its totient is φ = 137764108800.

The previous prime is 145423022083. The next prime is 145423022117. The reversal of 145423022111 is 111220324541.

It is a happy number.

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 145423022111 - 2³⁰ = 144349280287 is a prime.

It is a super-2 number, since 2×145423022111² (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 (145423022117) 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, 453311 + ... + 704511.

It is an arithmetic number, because the mean of its divisors is an integer number (19135312350).

Almost surely, 2^145423022111 is an apocalyptic number.

145423022111 is a deficient number, since it is larger than the sum of its proper divisors (7659476689).

145423022111 is a wasteful number, since it uses less digits than its factorization.

145423022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281689.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 145423022111 its reverse (111220324541), we get a palindrome (256643346652).

The spelling of 145423022111 in words is "one hundred forty-five billion, four hundred twenty-three million, twenty-two thousand, one hundred eleven".