148769501 has 2 divisors, whose sum is σ = 148769502. Its totient is φ = 148769500.

The previous prime is 148769477. The next prime is 148769531. The reversal of 148769501 is 105967841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118243876 + 30525625 = 10874^2 + 5525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148769501 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148769531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74384750 + 74384751.

It is an arithmetic number, because the mean of its divisors is an integer number (74384751).

Almost surely, 2^148769501 is an apocalyptic number.

It is an amenable number.

148769501 is a deficient number, since it is larger than the sum of its proper divisors (1).

148769501 is an equidigital number, since it uses as much as digits as its factorization.

148769501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 148769501 is about 12197.1103545061. The cubic root of 148769501 is about 529.8724043145.

The spelling of 148769501 in words is "one hundred forty-eight million, seven hundred sixty-nine thousand, five hundred one".