148323057 has 4 divisors (see below), whose sum is σ = 197764080. Its totient is φ = 98882036.

The previous prime is 148323037. The next prime is 148323061. The reversal of 148323057 is 750323841.

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: 750323841 = 3 ⋅250107947.

It is a cyclic number.

It is not a de Polignac number, because 148323057 - 2¹⁰ = 148322033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148323037) 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, 24720507 + ... + 24720512.

It is an arithmetic number, because the mean of its divisors is an integer number (49441020).

Almost surely, 2^148323057 is an apocalyptic number.

It is an amenable number.

148323057 is a deficient number, since it is larger than the sum of its proper divisors (49441023).

148323057 is an equidigital number, since it uses as much as digits as its factorization.

148323057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49441022.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 148323057 is about 12178.7953837808. The cubic root of 148323057 is about 529.3418399637.

Adding to 148323057 its reverse (750323841), we get a palindrome (898646898).

The spelling of 148323057 in words is "one hundred forty-eight million, three hundred twenty-three thousand, fifty-seven".