148344477 has 4 divisors (see below), whose sum is σ = 197792640. Its totient is φ = 98896316.

The previous prime is 148344473. The next prime is 148344491. The reversal of 148344477 is 774443841.

It is a happy number.

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 148344477 - 2² = 148344473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148344473) 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, 24724077 + ... + 24724082.

It is an arithmetic number, because the mean of its divisors is an integer number (49448160).

Almost surely, 2^148344477 is an apocalyptic number.

It is an amenable number.

148344477 is a deficient number, since it is larger than the sum of its proper divisors (49448163).

148344477 is an equidigital number, since it uses as much as digits as its factorization.

148344477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49448162.

The product of its digits is 301056, while the sum is 42.

The square root of 148344477 is about 12179.6747493519. The cubic root of 148344477 is about 529.3673202828.

The spelling of 148344477 in words is "one hundred forty-eight million, three hundred forty-four thousand, four hundred seventy-seven".