148146822421542 has 128 divisors (see below), whose sum is σ = 378774918144000. Its totient is φ = 42043994431488.

The previous prime is 148146822421537. The next prime is 148146822421547. The reversal of 148146822421542 is 245124228641841.

148146822421542 is a `hidden beast` number, since 1 + 4 + 8 + 1 + 468 + 2 + 24 + 2 + 154 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (148146822421537) and next prime (148146822421547).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148146822421547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35890878 + ... + 39805134.

It is an arithmetic number, because the mean of its divisors is an integer number (2959179048000).

Almost surely, 2^{148146822421542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148146822421542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189387459072000).

148146822421542 is an abundant number, since it is smaller than the sum of its proper divisors (230628095722458).

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

148146822421542 is a wasteful number, since it uses less digits than its factorization.

148146822421542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914947 (or 3914941 counting only the distinct ones).

The product of its digits is 7864320, while the sum is 54.

The spelling of 148146822421542 in words is "one hundred forty-eight trillion, one hundred forty-six billion, eight hundred twenty-two million, four hundred twenty-one thousand, five hundred forty-two".