1530156474 has 128 divisors (see below), whose sum is σ = 4260556800. Its totient is φ = 395461440.

The previous prime is 1530156437. The next prime is 1530156479. The reversal of 1530156474 is 4746510351.

1530156474 is a `hidden beast` number, since 1 + 5 + 3 + 0 + 1 + 5 + 647 + 4 = 666.

It is a super-2 number, since 2×1530156474² = 4682757669848225352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1530156479) 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 63 ways as a sum of consecutive naturals, for example, 951379 + ... + 952985.

It is an arithmetic number, because the mean of its divisors is an integer number (33285600).

Almost surely, 2^1530156474 is an apocalyptic number.

1530156474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530156474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130278400).

1530156474 is an abundant number, since it is smaller than the sum of its proper divisors (2730400326).

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

1530156474 is a wasteful number, since it uses less digits than its factorization.

1530156474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1530156474 is about 39117.2145480733. The cubic root of 1530156474 is about 1152.3346331465.

The spelling of 1530156474 in words is "one billion, five hundred thirty million, one hundred fifty-six thousand, four hundred seventy-four".