157263442045 has 8 divisors (see below), whose sum is σ = 189086892120. Its totient is φ = 125563579200.

The previous prime is 157263442033. The next prime is 157263442097. The reversal of 157263442045 is 540244362751.

157263442045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27653361849 + 129610080196 = 166293^2 + 360014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157263442045 - 2¹¹ = 157263439997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157263441992 and 157263442010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30894006 + ... + 30899095.

It is an arithmetic number, because the mean of its divisors is an integer number (23635861515).

Almost surely, 2^157263442045 is an apocalyptic number.

It is an amenable number.

157263442045 is a deficient number, since it is larger than the sum of its proper divisors (31823450075).

157263442045 is an equidigital number, since it uses as much as digits as its factorization.

157263442045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61793615.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 157263442045 in words is "one hundred fifty-seven billion, two hundred sixty-three million, four hundred forty-two thousand, forty-five".