145624149069 has 16 divisors (see below), whose sum is σ = 221931902592. Its totient is φ = 83203135488.

The previous prime is 145624149059. The next prime is 145624149091. The reversal of 145624149069 is 960941426541.

It is a happy number.

It is not a de Polignac number, because 145624149069 - 2⁴ = 145624149053 is a prime.

It is a super-2 number, since 2×145624149069² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145624149059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275064 + ... + 605729.

It is an arithmetic number, because the mean of its divisors is an integer number (13870743912).

Almost surely, 2^145624149069 is an apocalyptic number.

It is an amenable number.

145624149069 is a deficient number, since it is larger than the sum of its proper divisors (76307753523).

145624149069 is an equidigital number, since it uses as much as digits as its factorization.

145624149069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888676.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 145624149069 in words is "one hundred forty-five billion, six hundred twenty-four million, one hundred forty-nine thousand, sixty-nine".