1542162402 has 80 divisors (see below), whose sum is σ = 3850146432. Its totient is φ = 457354080.

The previous prime is 1542162373. The next prime is 1542162421. The reversal of 1542162402 is 2042612451.

1542162402 is a `hidden beast` number, since 15 + 4 + 21 + 624 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 74548 + ... + 92960.

Almost surely, 2^1542162402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542162402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925073216).

1542162402 is an abundant number, since it is smaller than the sum of its proper divisors (2307984030).

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

1542162402 is a wasteful number, since it uses less digits than its factorization.

1542162402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18485 (or 18476 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1542162402 is about 39270.3756284556. The cubic root of 1542162402 is about 1155.3406045566.

Adding to 1542162402 its reverse (2042612451), we get a palindrome (3584774853).

It can be divided in two parts, 1542162 and 402, that added together give a square (1542564 = 1242²).

The spelling of 1542162402 in words is "one billion, five hundred forty-two million, one hundred sixty-two thousand, four hundred two".