1530157000 has 32 divisors (see below), whose sum is σ = 3580569720. Its totient is φ = 612062400.

The previous prime is 1530156937. The next prime is 1530157007. The reversal of 1530157000 is 7510351.

It can be written as a sum of positive squares in 4 ways, for example, as 202720644 + 1327436356 = 14238^2 + 36434^2 .

It is not an unprimeable number, because it can be changed into a prime (1530157007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764079 + ... + 766078.

Almost surely, 2^1530157000 is an apocalyptic number.

1530157000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530157000 is an abundant number, since it is smaller than the sum of its proper divisors (2050412720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530157000 is a wasteful number, since it uses less digits than its factorization.

1530157000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530178 (or 1530164 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1530157000 is about 39117.2212714554. The cubic root of 1530157000 is about 1152.3347651871.

Adding to 1530157000 its reverse (7510351), we get a palindrome (1537667351).

The spelling of 1530157000 in words is "one billion, five hundred thirty million, one hundred fifty-seven thousand".