145246562109 has 24 divisors (see below), whose sum is σ = 232008633792. Its totient is φ = 86822349120.

The previous prime is 145246562077. The next prime is 145246562113. The reversal of 145246562109 is 901265642541.

145246562109 is a `hidden beast` number, since 1 + 4 + 524 + 65 + 62 + 1 + 0 + 9 = 666.

It is not a de Polignac number, because 145246562109 - 2⁵ = 145246562077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145246562129) 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, 10041657 + ... + 10056110.

It is an arithmetic number, because the mean of its divisors is an integer number (9667026408).

Almost surely, 2^145246562109 is an apocalyptic number.

It is an amenable number.

145246562109 is a deficient number, since it is larger than the sum of its proper divisors (86762071683).

145246562109 is a wasteful number, since it uses less digits than its factorization.

145246562109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097857 (or 20097854 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 145246562109 in words is "one hundred forty-five billion, two hundred forty-six million, five hundred sixty-two thousand, one hundred nine".