149811093 has 8 divisors (see below), whose sum is σ = 221942400. Its totient is φ = 99874044.

The previous prime is 149811091. The next prime is 149811133. The reversal of 149811093 is 390118941.

It is not a de Polignac number, because 149811093 - 2¹ = 149811091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149811091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774253 + ... + 2774306.

It is an arithmetic number, because the mean of its divisors is an integer number (27742800).

Almost surely, 2^149811093 is an apocalyptic number.

It is an amenable number.

149811093 is a deficient number, since it is larger than the sum of its proper divisors (72131307).

149811093 is an equidigital number, since it uses as much as digits as its factorization.

149811093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548568 (or 5548562 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 149811093 is about 12239.7341882902. The cubic root of 149811093 is about 531.1061424000.

The spelling of 149811093 in words is "one hundred forty-nine million, eight hundred eleven thousand, ninety-three".