120457515445 has 16 divisors (see below), whose sum is σ = 144984189168. Its totient is φ = 96076316160.

The previous prime is 120457515439. The next prime is 120457515487. The reversal of 120457515445 is 544515754021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8092441764 + 112365073681 = 89958^2 + 335209^2 .

It is not a de Polignac number, because 120457515445 - 2⁵ = 120457515413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346897 + ... + 2397673.

It is an arithmetic number, because the mean of its divisors is an integer number (9061511823).

Almost surely, 2^120457515445 is an apocalyptic number.

It is an amenable number.

120457515445 is a deficient number, since it is larger than the sum of its proper divisors (24526673723).

120457515445 is an equidigital number, since it uses as much as digits as its factorization.

120457515445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52200.

The product of its (nonzero) digits is 560000, while the sum is 43.

The spelling of 120457515445 in words is "one hundred twenty billion, four hundred fifty-seven million, five hundred fifteen thousand, four hundred forty-five".