148138451 has 2 divisors, whose sum is σ = 148138452. Its totient is φ = 148138450.

The previous prime is 148138433. The next prime is 148138457. The reversal of 148138451 is 154831841.

148138451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148138451 - 2⁶ = 148138387 is a prime.

It is not a weakly prime, because it can be changed into another prime (148138457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74069225 + 74069226.

It is an arithmetic number, because the mean of its divisors is an integer number (74069226).

Almost surely, 2^148138451 is an apocalyptic number.

148138451 is a deficient number, since it is larger than the sum of its proper divisors (1).

148138451 is an equidigital number, since it uses as much as digits as its factorization.

148138451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 35.

The square root of 148138451 is about 12171.2140314761. The cubic root of 148138451 is about 529.1221387901.

The spelling of 148138451 in words is "one hundred forty-eight million, one hundred thirty-eight thousand, four hundred fifty-one".