148512042 has 120 divisors (see below), whose sum is σ = 395529156. Its totient is φ = 41513472.

The previous prime is 148512029. The next prime is 148512053. The reversal of 148512042 is 240215841.

148512042 is a `hidden beast` number, since 148 + 512 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147841281 + 670761 = 12159^2 + 819^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 148511997 and 148512015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 420538 + ... + 420890.

Almost surely, 2^148512042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148512042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197764578).

148512042 is an abundant number, since it is smaller than the sum of its proper divisors (247017114).

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

148512042 is a wasteful number, since it uses less digits than its factorization.

148512042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 148512042 is about 12186.5516861826. The cubic root of 148512042 is about 529.5665638698.

Adding to 148512042 its reverse (240215841), we get a palindrome (388727883).

The spelling of 148512042 in words is "one hundred forty-eight million, five hundred twelve thousand, forty-two".