149920655849501 has 2 divisors, whose sum is σ = 149920655849502. Its totient is φ = 149920655849500.

The previous prime is 149920655849479. The next prime is 149920655849537. The reversal of 149920655849501 is 105948556029941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113343682397401 + 36576973452100 = 10646299^2 + 6047890^2 .

It is a cyclic number.

It is not a de Polignac number, because 149920655849501 - 2⁴² = 145522609338397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149920655849551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74960327924750 + 74960327924751.

It is an arithmetic number, because the mean of its divisors is an integer number (74960327924751).

Almost surely, 2^{149920655849501} is an apocalyptic number.

It is an amenable number.

149920655849501 is a deficient number, since it is larger than the sum of its proper divisors (1).

149920655849501 is an equidigital number, since it uses as much as digits as its factorization.

149920655849501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968000, while the sum is 68.

The spelling of 149920655849501 in words is "one hundred forty-nine trillion, nine hundred twenty billion, six hundred fifty-five million, eight hundred forty-nine thousand, five hundred one".