148922407 has 2 divisors, whose sum is σ = 148922408. Its totient is φ = 148922406.

The previous prime is 148922393. The next prime is 148922483. The reversal of 148922407 is 704229841.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148922407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148922497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74461203 + 74461204.

It is an arithmetic number, because the mean of its divisors is an integer number (74461204).

Almost surely, 2^148922407 is an apocalyptic number.

148922407 is a deficient number, since it is larger than the sum of its proper divisors (1).

148922407 is an equidigital number, since it uses as much as digits as its factorization.

148922407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 148922407 is about 12203.3768687196. The cubic root of 148922407 is about 530.0538772807.

The spelling of 148922407 in words is "one hundred forty-eight million, nine hundred twenty-two thousand, four hundred seven".