149290783 has 2 divisors, whose sum is σ = 149290784. Its totient is φ = 149290782.

The previous prime is 149290781. The next prime is 149290837. The reversal of 149290783 is 387092941.

Together with next prime (149290837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149290783 - 2¹ = 149290781 is a prime.

Together with 149290781, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149290781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74645391 + 74645392.

It is an arithmetic number, because the mean of its divisors is an integer number (74645392).

Almost surely, 2^149290783 is an apocalyptic number.

149290783 is a deficient number, since it is larger than the sum of its proper divisors (1).

149290783 is an equidigital number, since it uses as much as digits as its factorization.

149290783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 149290783 is about 12218.4607459369. The cubic root of 149290783 is about 530.4905663225.

The spelling of 149290783 in words is "one hundred forty-nine million, two hundred ninety thousand, seven hundred eighty-three".