1542799530 has 48 divisors (see below), whose sum is σ = 4014920520. Its totient is φ = 411039744.

The previous prime is 1542799529. The next prime is 1542799579. The reversal of 1542799530 is 359972451.

It is a happy number.

1542799530 is a `hidden beast` number, since 1 + 5 + 4 + 27 + 99 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1304004321 + 238795209 = 36111^2 + 15453^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100186 + ... + 114554.

Almost surely, 2^1542799530 is an apocalyptic number.

1542799530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1542799530 is an abundant number, since it is smaller than the sum of its proper divisors (2472120990).

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

1542799530 is a wasteful number, since it uses less digits than its factorization.

1542799530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575 (or 15572 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 1542799530 is about 39278.4868598575. The cubic root of 1542799530 is about 1155.4996882130.

The spelling of 1542799530 in words is "one billion, five hundred forty-two million, seven hundred ninety-nine thousand, five hundred thirty".