149737487 has 2 divisors, whose sum is σ = 149737488. Its totient is φ = 149737486.

The previous prime is 149737477. The next prime is 149737507. The reversal of 149737487 is 784737941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149737487 - 2¹⁸ = 149475343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149737417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74868743 + 74868744.

It is an arithmetic number, because the mean of its divisors is an integer number (74868744).

Almost surely, 2^149737487 is an apocalyptic number.

149737487 is a deficient number, since it is larger than the sum of its proper divisors (1).

149737487 is an equidigital number, since it uses as much as digits as its factorization.

149737487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 149737487 is about 12236.7269725201. The cubic root of 149737487 is about 531.0191461656.

It can be divided in two parts, 14973 and 7487, that multiplied together give a triangular number (112102851 = T₁₄₉₇₃).

The spelling of 149737487 in words is "one hundred forty-nine million, seven hundred thirty-seven thousand, four hundred eighty-seven".