149572903 has 2 divisors, whose sum is σ = 149572904. Its totient is φ = 149572902.

The previous prime is 149572897. The next prime is 149572949. The reversal of 149572903 is 309275941.

149572903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149572903 - 2¹³ = 149564711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149572993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74786451 + 74786452.

It is an arithmetic number, because the mean of its divisors is an integer number (74786452).

Almost surely, 2^149572903 is an apocalyptic number.

149572903 is a deficient number, since it is larger than the sum of its proper divisors (1).

149572903 is an equidigital number, since it uses as much as digits as its factorization.

149572903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 149572903 is about 12230.0001226492. Note that the first 3 decimals coincide. The cubic root of 149572903 is about 530.8245182263.

The spelling of 149572903 in words is "one hundred forty-nine million, five hundred seventy-two thousand, nine hundred three".