1542150342 has 48 divisors (see below), whose sum is σ = 3659891040. Its totient is φ = 467126016.

The previous prime is 1542150307. The next prime is 1542150347. The reversal of 1542150342 is 2430512451.

1542150342 is a `hidden beast` number, since 154 + 2 + 1 + 503 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542150347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78018 + ... + 95765.

It is an arithmetic number, because the mean of its divisors is an integer number (76247730).

Almost surely, 2^1542150342 is an apocalyptic number.

1542150342 is an abundant number, since it is smaller than the sum of its proper divisors (2117740698).

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

1542150342 is a wasteful number, since it uses less digits than its factorization.

1542150342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173837 (or 173834 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1542150342 is about 39270.2220772941. Note that the first 3 decimals coincide. The cubic root of 1542150342 is about 1155.3375928885.

Adding to 1542150342 its reverse (2430512451), we get a palindrome (3972662793).

The spelling of 1542150342 in words is "one billion, five hundred forty-two million, one hundred fifty thousand, three hundred forty-two".