157443037 has 2 divisors, whose sum is σ = 157443038. Its totient is φ = 157443036.

The previous prime is 157442977. The next prime is 157443049. The reversal of 157443037 is 730344751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136749636 + 20693401 = 11694^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 157443037 - 2²³ = 149054429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157442993 and 157443011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157443067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78721518 + 78721519.

It is an arithmetic number, because the mean of its divisors is an integer number (78721519).

Almost surely, 2^157443037 is an apocalyptic number.

It is an amenable number.

157443037 is a deficient number, since it is larger than the sum of its proper divisors (1).

157443037 is an equidigital number, since it uses as much as digits as its factorization.

157443037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 157443037 is about 12547.6307325327. The cubic root of 157443037 is about 539.9760357449.

Adding to 157443037 its reverse (730344751), we get a palindrome (887787788).

It can be divided in two parts, 15744 and 3037, that added together give a palindrome (18781).

The spelling of 157443037 in words is "one hundred fifty-seven million, four hundred forty-three thousand, thirty-seven".