148873951 has 4 divisors (see below), whose sum is σ = 150408832. Its totient is φ = 147339072.

The previous prime is 148873943. The next prime is 148873961. The reversal of 148873951 is 159378841.

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: 159378841 = 83 ⋅1920227.

It is a cyclic number.

It is not a de Polignac number, because 148873951 - 2³ = 148873943 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 (148873961) 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, 767295 + ... + 767488.

It is an arithmetic number, because the mean of its divisors is an integer number (37602208).

Almost surely, 2^148873951 is an apocalyptic number.

148873951 is a deficient number, since it is larger than the sum of its proper divisors (1534881).

148873951 is an equidigital number, since it uses as much as digits as its factorization.

148873951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534880.

The product of its digits is 241920, while the sum is 46.

The square root of 148873951 is about 12201.3913550873. The cubic root of 148873951 is about 529.9963818431.

The spelling of 148873951 in words is "one hundred forty-eight million, eight hundred seventy-three thousand, nine hundred fifty-one".