148742087 has 4 divisors (see below), whose sum is σ = 160183800. Its totient is φ = 137300376.

The previous prime is 148742071. The next prime is 148742101. The reversal of 148742087 is 780247841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780247841 = 13859 ⋅56299.

It is a cyclic number.

It is not a de Polignac number, because 148742087 - 2⁴ = 148742071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148742687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5720837 + ... + 5720862.

It is an arithmetic number, because the mean of its divisors is an integer number (40045950).

Almost surely, 2^148742087 is an apocalyptic number.

148742087 is a deficient number, since it is larger than the sum of its proper divisors (11441713).

148742087 is a wasteful number, since it uses less digits than its factorization.

148742087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441712.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 148742087 is about 12195.9865119637. The cubic root of 148742087 is about 529.8398554961.

It can be divided in two parts, 14874 and 2087, that added together give a palindrome (16961).

The spelling of 148742087 in words is "one hundred forty-eight million, seven hundred forty-two thousand, eighty-seven".