145620572412549 has 32 divisors (see below), whose sum is σ = 209719759253760. Its totient is φ = 89345520972288.

The previous prime is 145620572412517. The next prime is 145620572412559. The reversal of 145620572412549 is 945214275026541.

145620572412549 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 145620572412549 - 2⁵ = 145620572412517 is a prime.

It is a super-2 number, since 2×145620572412549² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145620572412559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70570027 + ... + 72604199.

It is an arithmetic number, because the mean of its divisors is an integer number (6553742476680).

Almost surely, 2^{145620572412549} is an apocalyptic number.

It is an amenable number.

145620572412549 is a deficient number, since it is larger than the sum of its proper divisors (64099186841211).

145620572412549 is a wasteful number, since it uses less digits than its factorization.

145620572412549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039661.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 145620572412549 in words is "one hundred forty-five trillion, six hundred twenty billion, five hundred seventy-two million, four hundred twelve thousand, five hundred forty-nine".