148765451 has 2 divisors, whose sum is σ = 148765452. Its totient is φ = 148765450.

The previous prime is 148765439. The next prime is 148765469. The reversal of 148765451 is 154567841.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148765451 is a prime.

It is a super-2 number, since 2×148765451² = 44262318822466802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148765399 and 148765408.

It is not a weakly prime, because it can be changed into another prime (148765051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74382725 + 74382726.

It is an arithmetic number, because the mean of its divisors is an integer number (74382726).

Almost surely, 2^148765451 is an apocalyptic number.

148765451 is a deficient number, since it is larger than the sum of its proper divisors (1).

148765451 is an equidigital number, since it uses as much as digits as its factorization.

148765451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 148765451 is about 12196.9443304460. The cubic root of 148765451 is about 529.8675959752.

The spelling of 148765451 in words is "one hundred forty-eight million, seven hundred sixty-five thousand, four hundred fifty-one".