157161428 has 12 divisors (see below), whose sum is σ = 275458260. Its totient is φ = 78459072.

The previous prime is 157161421. The next prime is 157161443. The reversal of 157161428 is 824161751.

It can be written as a sum of positive squares in 2 ways, for example, as 109579024 + 47582404 = 10468^2 + 6898^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157161421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27473 + ... + 32696.

It is an arithmetic number, because the mean of its divisors is an integer number (22954855).

Almost surely, 2^157161428 is an apocalyptic number.

It is an amenable number.

157161428 is a deficient number, since it is larger than the sum of its proper divisors (118296832).

157161428 is a wasteful number, since it uses less digits than its factorization.

157161428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60826 (or 60824 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 157161428 is about 12536.4041096321. The cubic root of 157161428 is about 539.6539025975.

The spelling of 157161428 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, four hundred twenty-eight".