148876961 has 4 divisors (see below), whose sum is σ = 149403312. Its totient is φ = 148350612.

The previous prime is 148876957. The next prime is 148876969. The reversal of 148876961 is 169678841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 169678841 = 31 ⋅5473511.

It is a cyclic number.

It is not a de Polignac number, because 148876961 - 2² = 148876957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148876969) 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, 262751 + ... + 263316.

It is an arithmetic number, because the mean of its divisors is an integer number (37350828).

Almost surely, 2^148876961 is an apocalyptic number.

It is an amenable number.

148876961 is a deficient number, since it is larger than the sum of its proper divisors (526351).

148876961 is an equidigital number, since it uses as much as digits as its factorization.

148876961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526350.

The product of its digits is 580608, while the sum is 50.

The square root of 148876961 is about 12201.5147010525. The cubic root of 148876961 is about 529.9999537202. Note that the first 4 decimals are identical.

The spelling of 148876961 in words is "one hundred forty-eight million, eight hundred seventy-six thousand, nine hundred sixty-one".