149917753 has 2 divisors, whose sum is σ = 149917754. Its totient is φ = 149917752.

The previous prime is 149917751. The next prime is 149917759. The reversal of 149917753 is 357719941.

149917753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149157369 + 760384 = 12213^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 149917753 - 2¹ = 149917751 is a prime.

Together with 149917751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149917751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74958876 + 74958877.

It is an arithmetic number, because the mean of its divisors is an integer number (74958877).

Almost surely, 2^149917753 is an apocalyptic number.

It is an amenable number.

149917753 is a deficient number, since it is larger than the sum of its proper divisors (1).

149917753 is an equidigital number, since it uses as much as digits as its factorization.

149917753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 46.

The square root of 149917753 is about 12244.0905338045. The cubic root of 149917753 is about 531.2321551930.

The spelling of 149917753 in words is "one hundred forty-nine million, nine hundred seventeen thousand, seven hundred fifty-three".