149670293 has 2 divisors, whose sum is σ = 149670294. Its totient is φ = 149670292.

The previous prime is 149670281. The next prime is 149670317. The reversal of 149670293 is 392076941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119617969 + 30052324 = 10937^2 + 5482^2 .

It is a cyclic number.

It is not a de Polignac number, because 149670293 - 2¹⁰ = 149669269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149670293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149670203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74835146 + 74835147.

It is an arithmetic number, because the mean of its divisors is an integer number (74835147).

Almost surely, 2^149670293 is an apocalyptic number.

It is an amenable number.

149670293 is a deficient number, since it is larger than the sum of its proper divisors (1).

149670293 is an equidigital number, since it uses as much as digits as its factorization.

149670293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 149670293 is about 12233.9810773109. The cubic root of 149670293 is about 530.9397034916.

The spelling of 149670293 in words is "one hundred forty-nine million, six hundred seventy thousand, two hundred ninety-three".