149378743 has 2 divisors, whose sum is σ = 149378744. Its totient is φ = 149378742.

The previous prime is 149378717. The next prime is 149378759. The reversal of 149378743 is 347873941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149378743 - 2²⁵ = 115824311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149378693 and 149378702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149378143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74689371 + 74689372.

It is an arithmetic number, because the mean of its divisors is an integer number (74689372).

Almost surely, 2^149378743 is an apocalyptic number.

149378743 is a deficient number, since it is larger than the sum of its proper divisors (1).

149378743 is an equidigital number, since it uses as much as digits as its factorization.

149378743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 149378743 is about 12222.0596873031. The cubic root of 149378743 is about 530.5947316927.

The spelling of 149378743 in words is "one hundred forty-nine million, three hundred seventy-eight thousand, seven hundred forty-three".