145423051011 has 24 divisors (see below), whose sum is σ = 240335413760. Its totient is φ = 83004744816.

The previous prime is 145423050977. The next prime is 145423051079. The reversal of 145423051011 is 110150324541.

145423051011 is a `hidden beast` number, since 14 + 542 + 3 + 0 + 5 + 101 + 1 = 666.

145423051011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145423051011 - 2²⁵ = 145389496579 is a prime.

It is a super-2 number, since 2×145423051011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145423052011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1251451 + ... + 1362708.

Almost surely, 2^145423051011 is an apocalyptic number.

145423051011 is a deficient number, since it is larger than the sum of its proper divisors (94912362749).

145423051011 is a wasteful number, since it uses less digits than its factorization.

145423051011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615055 (or 2615052 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 145423051011 its reverse (110150324541), we get a palindrome (255573375552).

The spelling of 145423051011 in words is "one hundred forty-five billion, four hundred twenty-three million, fifty-one thousand, eleven".