148537515442 has 4 divisors (see below), whose sum is σ = 222806273166. Its totient is φ = 74268757720.

The previous prime is 148537515421. The next prime is 148537515491. The reversal of 148537515442 is 244515735841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 148231930081 + 305585361 = 385009^2 + 17481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37134378859 + ... + 37134378862.

Almost surely, 2^148537515442 is an apocalyptic number.

148537515442 is a deficient number, since it is larger than the sum of its proper divisors (74268757724).

148537515442 is an equidigital number, since it uses as much as digits as its factorization.

148537515442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74268757723.

The product of its digits is 2688000, while the sum is 49.

The spelling of 148537515442 in words is "one hundred forty-eight billion, five hundred thirty-seven million, five hundred fifteen thousand, four hundred forty-two".