157451244739 has 16 divisors (see below), whose sum is σ = 169030375488. Its totient is φ = 146280701952.

The previous prime is 157451244737. The next prime is 157451244763. The reversal of 157451244739 is 937442154751.

It is a cyclic number.

It is not a de Polignac number, because 157451244739 - 2¹ = 157451244737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157451244737) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 330699 + ... + 651355.

It is an arithmetic number, because the mean of its divisors is an integer number (10564398468).

Almost surely, 2^157451244739 is an apocalyptic number.

157451244739 is a deficient number, since it is larger than the sum of its proper divisors (11579130749).

157451244739 is a wasteful number, since it uses less digits than its factorization.

157451244739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321294.

The product of its digits is 4233600, while the sum is 52.

The spelling of 157451244739 in words is "one hundred fifty-seven billion, four hundred fifty-one million, two hundred forty-four thousand, seven hundred thirty-nine".