148953949 has 4 divisors (see below), whose sum is σ = 157715964. Its totient is φ = 140191936.

The previous prime is 148953941. The next prime is 148953979. The reversal of 148953949 is 949359841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63520900 + 85433049 = 7970^2 + 9243^2 .

It is a cyclic number.

It is not a de Polignac number, because 148953949 - 2³ = 148953941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148953896 and 148953905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148953941) 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, 4380982 + ... + 4381015.

It is an arithmetic number, because the mean of its divisors is an integer number (39428991).

Almost surely, 2^148953949 is an apocalyptic number.

It is an amenable number.

148953949 is a deficient number, since it is larger than the sum of its proper divisors (8762015).

148953949 is an equidigital number, since it uses as much as digits as its factorization.

148953949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762014.

The product of its digits is 1399680, while the sum is 52.

The square root of 148953949 is about 12204.6691475025. The cubic root of 148953949 is about 530.0912967206.

The spelling of 148953949 in words is "one hundred forty-eight million, nine hundred fifty-three thousand, nine hundred forty-nine".