148557061 has 4 divisors (see below), whose sum is σ = 148612972. Its totient is φ = 148501152.

The previous prime is 148557047. The next prime is 148557089. The reversal of 148557061 is 160755841.

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 92756161 + 55800900 = 9631^2 + 7470^2 .

It is a cyclic number.

It is not a de Polignac number, because 148557061 - 2⁹ = 148556549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148557061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148557001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23760 + ... + 29353.

It is an arithmetic number, because the mean of its divisors is an integer number (37153243).

Almost surely, 2^148557061 is an apocalyptic number.

It is an amenable number.

148557061 is a deficient number, since it is larger than the sum of its proper divisors (55911).

148557061 is an equidigital number, since it uses as much as digits as its factorization.

148557061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55910.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 148557061 is about 12188.3986232811. The cubic root of 148557061 is about 529.6200682821.

The spelling of 148557061 in words is "one hundred forty-eight million, five hundred fifty-seven thousand, sixty-one".