157444250747 has 16 divisors (see below), whose sum is σ = 189575458560. Its totient is φ = 127735499232.

The previous prime is 157444250741. The next prime is 157444250749. The reversal of 157444250747 is 747052444751.

It is a cyclic number.

It is not a de Polignac number, because 157444250747 - 2¹⁰ = 157444249723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157444250695 and 157444250704.

It is not an unprimeable number, because it can be changed into a prime (157444250741) 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, 377708 + ... + 676425.

It is an arithmetic number, because the mean of its divisors is an integer number (11848466160).

Almost surely, 2^157444250747 is an apocalyptic number.

157444250747 is a deficient number, since it is larger than the sum of its proper divisors (32131207813).

157444250747 is a wasteful number, since it uses less digits than its factorization.

157444250747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055282.

The product of its (nonzero) digits is 4390400, while the sum is 50.

The spelling of 157444250747 in words is "one hundred fifty-seven billion, four hundred forty-four million, two hundred fifty thousand, seven hundred forty-seven".