148947061 has 4 divisors (see below), whose sum is σ = 156786400. Its totient is φ = 141107724.

The previous prime is 148947059. The next prime is 148947067. The reversal of 148947061 is 160749841.

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.

It is a cyclic number.

It is not a de Polignac number, because 148947061 - 2¹ = 148947059 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 (148947067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3919641 + ... + 3919678.

It is an arithmetic number, because the mean of its divisors is an integer number (39196600).

Almost surely, 2^148947061 is an apocalyptic number.

It is an amenable number.

148947061 is a deficient number, since it is larger than the sum of its proper divisors (7839339).

148947061 is an equidigital number, since it uses as much as digits as its factorization.

148947061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839338.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 148947061 is about 12204.3869571560. The cubic root of 148947061 is about 530.0831256826.

The spelling of 148947061 in words is "one hundred forty-eight million, nine hundred forty-seven thousand, sixty-one".