1530152478 has 16 divisors (see below), whose sum is σ = 3400338960. Its totient is φ = 510050808.

The previous prime is 1530152423. The next prime is 1530152483. The reversal of 1530152478 is 8742510351.

1530152478 is a `hidden beast` number, since 1 + 5 + 30 + 152 + 478 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14168025 + ... + 14168132.

It is an arithmetic number, because the mean of its divisors is an integer number (212521185).

Almost surely, 2^1530152478 is an apocalyptic number.

1530152478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1530152478 is an abundant number, since it is smaller than the sum of its proper divisors (1870186482).

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

1530152478 is a wasteful number, since it uses less digits than its factorization.

1530152478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28336168 (or 28336162 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1530152478 is about 39117.1634707835. The cubic root of 1530152478 is about 1152.3336300393. Note that the first 3 decimals are identical.

The spelling of 1530152478 in words is "one billion, five hundred thirty million, one hundred fifty-two thousand, four hundred seventy-eight".