149047637 has 2 divisors, whose sum is σ = 149047638. Its totient is φ = 149047636.

The previous prime is 149047621. The next prime is 149047649. The reversal of 149047637 is 736740941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115047076 + 34000561 = 10726^2 + 5831^2 .

It is a cyclic number.

It is not a de Polignac number, because 149047637 - 2⁴ = 149047621 is a prime.

It is a super-3 number, since 3×149047637³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149047594 and 149047603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149047237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74523818 + 74523819.

It is an arithmetic number, because the mean of its divisors is an integer number (74523819).

Almost surely, 2^149047637 is an apocalyptic number.

It is an amenable number.

149047637 is a deficient number, since it is larger than the sum of its proper divisors (1).

149047637 is an equidigital number, since it uses as much as digits as its factorization.

149047637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 149047637 is about 12208.5067473463. The cubic root of 149047637 is about 530.2024111178.

The spelling of 149047637 in words is "one hundred forty-nine million, forty-seven thousand, six hundred thirty-seven".