149237437 has 2 divisors, whose sum is σ = 149237438. Its totient is φ = 149237436.

The previous prime is 149237423. The next prime is 149237467. The reversal of 149237437 is 734732941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148986436 + 251001 = 12206^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 149237437 - 2¹¹ = 149235389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149237437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149237467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74618718 + 74618719.

It is an arithmetic number, because the mean of its divisors is an integer number (74618719).

Almost surely, 2^149237437 is an apocalyptic number.

It is an amenable number.

149237437 is a deficient number, since it is larger than the sum of its proper divisors (1).

149237437 is an equidigital number, since it uses as much as digits as its factorization.

149237437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 149237437 is about 12216.2775426887. The cubic root of 149237437 is about 530.4273721529.

The spelling of 149237437 in words is "one hundred forty-nine million, two hundred thirty-seven thousand, four hundred thirty-seven".