120454145245 has 32 divisors (see below), whose sum is σ = 173915136000. Its totient is φ = 78238011456.

The previous prime is 120454145239. The next prime is 120454145281. The reversal of 120454145245 is 542541454021.

It is a cyclic number.

It is not a de Polignac number, because 120454145245 - 2³ = 120454145237 is a prime.

It is a super-2 number, since 2×120454145245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7204906 + ... + 7221604.

It is an arithmetic number, because the mean of its divisors is an integer number (5434848000).

Almost surely, 2^120454145245 is an apocalyptic number.

It is an amenable number.

120454145245 is a deficient number, since it is larger than the sum of its proper divisors (53460990755).

120454145245 is a wasteful number, since it uses less digits than its factorization.

120454145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27577.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 120454145245 its reverse (542541454021), we get a palindrome (662995599266).

The spelling of 120454145245 in words is "one hundred twenty billion, four hundred fifty-four million, one hundred forty-five thousand, two hundred forty-five".