148213757 has 8 divisors (see below), whose sum is σ = 149244984. Its totient is φ = 147186688.

The previous prime is 148213753. The next prime is 148213843. The reversal of 148213757 is 757312841.

It can be written as a sum of positive squares in 4 ways, for example, as 76405081 + 71808676 = 8741^2 + 8474^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148213757 - 2² = 148213753 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 148213757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148213753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102713 + ... + 104145.

It is an arithmetic number, because the mean of its divisors is an integer number (18655623).

Almost surely, 2^148213757 is an apocalyptic number.

It is an amenable number.

148213757 is a deficient number, since it is larger than the sum of its proper divisors (1031227).

148213757 is a wasteful number, since it uses less digits than its factorization.

148213757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its digits is 47040, while the sum is 38.

The square root of 148213757 is about 12174.3072492853. The cubic root of 148213757 is about 529.2117831319.

The spelling of 148213757 in words is "one hundred forty-eight million, two hundred thirteen thousand, seven hundred fifty-seven".