148785451 has 2 divisors, whose sum is σ = 148785452. Its totient is φ = 148785450.

The previous prime is 148785449. The next prime is 148785467. The reversal of 148785451 is 154587841.

148785451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148785451 - 2¹ = 148785449 is a prime.

It is a super-2 number, since 2×148785451² = 44274220858546802, which contains 22 as substring.

Together with 148785449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 148785398 and 148785407.

It is not a weakly prime, because it can be changed into another prime (148785421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74392725 + 74392726.

It is an arithmetic number, because the mean of its divisors is an integer number (74392726).

Almost surely, 2^148785451 is an apocalyptic number.

148785451 is a deficient number, since it is larger than the sum of its proper divisors (1).

148785451 is an equidigital number, since it uses as much as digits as its factorization.

148785451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 43.

The square root of 148785451 is about 12197.7641803734. The cubic root of 148785451 is about 529.8913400121.

The spelling of 148785451 in words is "one hundred forty-eight million, seven hundred eighty-five thousand, four hundred fifty-one".