145621514737199 has 16 divisors (see below), whose sum is σ = 150418457585664. Its totient is φ = 140830818156000.

The previous prime is 145621514737189. The next prime is 145621514737217. The reversal of 145621514737199 is 991737415126541.

It is a cyclic number.

It is not a de Polignac number, because 145621514737199 - 2⁴ = 145621514737183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145621514737189) 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, 304043477 + ... + 304522049.

It is an arithmetic number, because the mean of its divisors is an integer number (9401153599104).

Almost surely, 2^{145621514737199} is an apocalyptic number.

145621514737199 is a deficient number, since it is larger than the sum of its proper divisors (4796942848465).

145621514737199 is a wasteful number, since it uses less digits than its factorization.

145621514737199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485078.

The product of its digits is 57153600, while the sum is 65.

The spelling of 145621514737199 in words is "one hundred forty-five trillion, six hundred twenty-one billion, five hundred fourteen million, seven hundred thirty-seven thousand, one hundred ninety-nine".