157028933 has 2 divisors, whose sum is σ = 157028934. Its totient is φ = 157028932.

The previous prime is 157028929. The next prime is 157028941. The reversal of 157028933 is 339820751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 77141089 = 8938^2 + 8783^2 .

It is a cyclic number.

It is not a de Polignac number, because 157028933 - 2² = 157028929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157028953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78514466 + 78514467.

It is an arithmetic number, because the mean of its divisors is an integer number (78514467).

Almost surely, 2^157028933 is an apocalyptic number.

It is an amenable number.

157028933 is a deficient number, since it is larger than the sum of its proper divisors (1).

157028933 is an equidigital number, since it uses as much as digits as its factorization.

157028933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 157028933 is about 12531.1185853458. The cubic root of 157028933 is about 539.5022081535.

It can be divided in two parts, 1570 and 28933, that added together give a palindrome (30503).

The spelling of 157028933 in words is "one hundred fifty-seven million, twenty-eight thousand, nine hundred thirty-three".